74220043217070 has 64 divisors (see below), whose sum is σ = 178587737778240. Its totient is φ = 19740965787648.

The previous prime is 74220043217039. The next prime is 74220043217123. The reversal of 74220043217070 is 7071234002247.

It is a super-2 number, since 2×74220043217070² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47409672 + ... + 48950148.

It is an arithmetic number, because the mean of its divisors is an integer number (2790433402785).

Almost surely, 2^{74220043217070} is an apocalyptic number.

74220043217070 is an abundant number, since it is smaller than the sum of its proper divisors (104367694561170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74220043217070 is a wasteful number, since it uses less digits than its factorization.

74220043217070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544629.

The product of its (nonzero) digits is 131712, while the sum is 39.

The spelling of 74220043217070 in words is "seventy-four trillion, two hundred twenty billion, forty-three million, two hundred seventeen thousand, seventy".