74467143 has 12 divisors (see below), whose sum is σ = 109079568. Its totient is φ = 48945120.

The previous prime is 74467139. The next prime is 74467147. The reversal of 74467143 is 34176447.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74467139) and next prime (74467147).

It is not a de Polignac number, because 74467143 - 2² = 74467139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74467098 and 74467107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74467147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57630 + ... + 58907.

It is an arithmetic number, because the mean of its divisors is an integer number (9089964).

Almost surely, 2^74467143 is an apocalyptic number.

74467143 is a deficient number, since it is larger than the sum of its proper divisors (34612425).

74467143 is a wasteful number, since it uses less digits than its factorization.

74467143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116614 (or 116611 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 74467143 is about 8629.4346860035. The cubic root of 74467143 is about 420.7152269118.

The spelling of 74467143 in words is "seventy-four million, four hundred sixty-seven thousand, one hundred forty-three".