74238810400 has 36 divisors (see below), whose sum is σ = 181235497842. Its totient is φ = 29695523840.

The previous prime is 74238810377. The next prime is 74238810407. The reversal of 74238810400 is 401883247.

It can be written as a sum of positive squares in 3 ways, for example, as 31056307984 + 43182502416 = 176228^2 + 207804^2 .

It is a super-2 number, since 2×74238810400² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74238810400.

It is not an unprimeable number, because it can be changed into a prime (74238810407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46398457 + ... + 46400056.

Almost surely, 2^74238810400 is an apocalyptic number.

It is an amenable number.

74238810400 is an abundant number, since it is smaller than the sum of its proper divisors (106996687442).

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

74238810400 is a wasteful number, since it uses less digits than its factorization.

74238810400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92798533 (or 92798520 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 74238810400 in words is "seventy-four billion, two hundred thirty-eight million, eight hundred ten thousand, four hundred".