74900015902 has 4 divisors (see below), whose sum is σ = 112350023856. Its totient is φ = 37450007950.

The previous prime is 74900015831. The next prime is 74900015909. The reversal of 74900015902 is 20951000947.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20951000947 = 233 ⋅89918459.

It is a super-2 number, since 2×74900015902² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74900015909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18725003974 + ... + 18725003977.

It is an arithmetic number, because the mean of its divisors is an integer number (28087505964).

Almost surely, 2^74900015902 is an apocalyptic number.

74900015902 is a deficient number, since it is larger than the sum of its proper divisors (37450007954).

74900015902 is a wasteful number, since it uses less digits than its factorization.

74900015902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37450007953.

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 74900015902 in words is "seventy-four billion, nine hundred million, fifteen thousand, nine hundred two".