74621045 has 16 divisors (see below), whose sum is σ = 92389248. Its totient is φ = 57816000.

The previous prime is 74621011. The next prime is 74621059. The reversal of 74621045 is 54012647.

It is not a de Polignac number, because 74621045 - 2⁶ = 74620981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74620999 and 74621017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45632 + ... + 47238.

It is an arithmetic number, because the mean of its divisors is an integer number (5774328).

Almost surely, 2^74621045 is an apocalyptic number.

It is an amenable number.

74621045 is a deficient number, since it is larger than the sum of its proper divisors (17768203).

74621045 is a wasteful number, since it uses less digits than its factorization.

74621045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 74621045 is about 8638.3473535162. The cubic root of 74621045 is about 421.0048596171.

The spelling of 74621045 in words is "seventy-four million, six hundred twenty-one thousand, forty-five".