74370039 has 8 divisors (see below), whose sum is σ = 99884400. Its totient is φ = 49217856.

The previous prime is 74370011. The next prime is 74370089. The reversal of 74370039 is 93007347.

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

It is not a de Polignac number, because 74370039 - 2⁸ = 74369783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74369991 and 74370009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74370089) 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, 90064 + ... + 90885.

It is an arithmetic number, because the mean of its divisors is an integer number (12485550).

Almost surely, 2^74370039 is an apocalyptic number.

74370039 is a deficient number, since it is larger than the sum of its proper divisors (25514361).

74370039 is a wasteful number, since it uses less digits than its factorization.

74370039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181089.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 74370039 is about 8623.8065261229. The cubic root of 74370039 is about 420.5322786570.

The spelling of 74370039 in words is "seventy-four million, three hundred seventy thousand, thirty-nine".