74860402 has 4 divisors (see below), whose sum is σ = 112290606. Its totient is φ = 37430200.

The previous prime is 74860393. The next prime is 74860403. The reversal of 74860402 is 20406847.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20406847 = 283 ⋅72109.

It can be written as a sum of positive squares in only one way, i.e., 71723961 + 3136441 = 8469^2 + 1771^2 .

It is not an unprimeable number, because it can be changed into a prime (74860403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18715099 + ... + 18715102.

Almost surely, 2^74860402 is an apocalyptic number.

74860402 is a deficient number, since it is larger than the sum of its proper divisors (37430204).

74860402 is a wasteful number, since it uses less digits than its factorization.

74860402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37430203.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 74860402 is about 8652.1905896715. The cubic root of 74860402 is about 421.4545223401.

The spelling of 74860402 in words is "seventy-four million, eight hundred sixty thousand, four hundred two".