74510745 has 32 divisors (see below), whose sum is σ = 128936448. Its totient is φ = 36599808.

The previous prime is 74510743. The next prime is 74510749. The reversal of 74510745 is 54701547.

It is not a de Polignac number, because 74510745 - 2¹ = 74510743 is a prime.

It is a super-2 number, since 2×74510745² = 11103702240910050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74510741) 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 31 ways as a sum of consecutive naturals, for example, 8877 + ... + 15093.

It is an arithmetic number, because the mean of its divisors is an integer number (4029264).

Almost surely, 2^74510745 is an apocalyptic number.

It is an amenable number.

74510745 is a deficient number, since it is larger than the sum of its proper divisors (54425703).

74510745 is a wasteful number, since it uses less digits than its factorization.

74510745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6289.

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 74510745 is about 8631.9606695119. The cubic root of 74510745 is about 420.7973232811.

The spelling of 74510745 in words is "seventy-four million, five hundred ten thousand, seven hundred forty-five".