71484700385 has 8 divisors (see below), whose sum is σ = 98036160576. Its totient is φ = 49018080240.

The previous prime is 71484700381. The next prime is 71484700393. The reversal of 71484700385 is 58300748417.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71484700385 - 2² = 71484700381 is a prime.

It is a super-2 number, since 2×71484700385² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71484700381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021209971 + ... + 1021210040.

It is an arithmetic number, because the mean of its divisors is an integer number (12254520072).

Almost surely, 2^71484700385 is an apocalyptic number.

It is an amenable number.

71484700385 is a deficient number, since it is larger than the sum of its proper divisors (26551460191).

71484700385 is a wasteful number, since it uses less digits than its factorization.

71484700385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042420023.

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 71484700385 in words is "seventy-one billion, four hundred eighty-four million, seven hundred thousand, three hundred eighty-five".