74402513 has 8 divisors (see below), whose sum is σ = 77571648. Its totient is φ = 71298864.

The previous prime is 74402507. The next prime is 74402519. The reversal of 74402513 is 31520447.

It is an interprime number because it is at equal distance from previous prime (74402507) and next prime (74402519).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74402513 - 2¹² = 74398417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74402519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14045 + ... + 18602.

It is an arithmetic number, because the mean of its divisors is an integer number (9696456).

Almost surely, 2^74402513 is an apocalyptic number.

It is an amenable number.

74402513 is a deficient number, since it is larger than the sum of its proper divisors (3169135).

74402513 is a wasteful number, since it uses less digits than its factorization.

74402513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32743.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 74402513 is about 8625.6891318897. The cubic root of 74402513 is about 420.5934788311.

The spelling of 74402513 in words is "seventy-four million, four hundred two thousand, five hundred thirteen".