74672905 has 8 divisors (see below), whose sum is σ = 89817984. Its totient is φ = 59598000.

The previous prime is 74672903. The next prime is 74672911. The reversal of 74672905 is 50927647.

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

It is not a de Polignac number, because 74672905 - 2¹ = 74672903 is a prime.

It is a super-2 number, since 2×74672905² = 11152085482278050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74672903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15171 + ... + 19480.

It is an arithmetic number, because the mean of its divisors is an integer number (11227248).

Almost surely, 2^74672905 is an apocalyptic number.

It is an amenable number.

74672905 is a deficient number, since it is larger than the sum of its proper divisors (15145079).

74672905 is a wasteful number, since it uses less digits than its factorization.

74672905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35087.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 74672905 is about 8641.3485637370. The cubic root of 74672905 is about 421.1023667662.

The spelling of 74672905 in words is "seventy-four million, six hundred seventy-two thousand, nine hundred five".