74800945 has 16 divisors (see below), whose sum is σ = 95208192. Its totient is φ = 56295360.

The previous prime is 74800931. The next prime is 74800961. The reversal of 74800945 is 54900847.

It is not a de Polignac number, because 74800945 - 2¹¹ = 74798897 is a prime.

It is a Duffinian 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, 1684 + ... + 12346.

It is an arithmetic number, because the mean of its divisors is an integer number (5950512).

Almost surely, 2^74800945 is an apocalyptic number.

It is an amenable number.

74800945 is a deficient number, since it is larger than the sum of its proper divisors (20407247).

74800945 is a wasteful number, since it uses less digits than its factorization.

74800945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10752.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 74800945 is about 8648.7539564957. The cubic root of 74800945 is about 421.3429143430.

The spelling of 74800945 in words is "seventy-four million, eight hundred thousand, nine hundred forty-five".