74238708352 has 16 divisors (see below), whose sum is σ = 147897427050. Its totient is φ = 37119354112.

The previous prime is 74238708347. The next prime is 74238708407. The reversal of 74238708352 is 25380783247.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 44110080576 + 30128627776 = 210024^2 + 173576^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×74238708352² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74238708296 and 74238708305.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289994827 + ... + 289995082.

Almost surely, 2^74238708352 is an apocalyptic number.

It is an amenable number.

74238708352 is a deficient number, since it is larger than the sum of its proper divisors (73658718698).

74238708352 is an equidigital number, since it uses as much as digits as its factorization.

74238708352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579989923 (or 579989911 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 74238708352 in words is "seventy-four billion, two hundred thirty-eight million, seven hundred eight thousand, three hundred fifty-two".