74680031 has 8 divisors (see below), whose sum is σ = 79363440. Its totient is φ = 70028928.

The previous prime is 74680007. The next prime is 74680037. The reversal of 74680031 is 13008647.

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 74680031 - 2⁶ = 74679967 is a prime.

It is a super-2 number, since 2×74680031² = 11154214060321922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74679976 and 74680003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74680037) 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, 3221 + ... + 12638.

It is an arithmetic number, because the mean of its divisors is an integer number (9920430).

Almost surely, 2^74680031 is an apocalyptic number.

74680031 is a deficient number, since it is larger than the sum of its proper divisors (4683409).

74680031 is a wasteful number, since it uses less digits than its factorization.

74680031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16153.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 74680031 is about 8641.7608738034. The cubic root of 74680031 is about 421.1157615400.

Adding to 74680031 its reverse (13008647), we get a palindrome (87688678).

The spelling of 74680031 in words is "seventy-four million, six hundred eighty thousand, thirty-one".