74461012537 has 16 divisors (see below), whose sum is σ = 81099328464. Its totient is φ = 68087808000.

The previous prime is 74461012529. The next prime is 74461012543. The reversal of 74461012537 is 73521016447.

It can be written as a sum of positive squares in 8 ways, for example, as 1009714176 + 73451298361 = 31776^2 + 271019^2 .

It is a cyclic number.

It is not a de Polignac number, because 74461012537 - 2³ = 74461012529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74461012537.

It is not an unprimeable number, because it can be changed into a prime (74461012517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53664 + ... + 389617.

It is an arithmetic number, because the mean of its divisors is an integer number (5068708029).

Almost surely, 2^74461012537 is an apocalyptic number.

It is an amenable number.

74461012537 is a deficient number, since it is larger than the sum of its proper divisors (6638315927).

74461012537 is a wasteful number, since it uses less digits than its factorization.

74461012537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443580.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 74461012537 in words is "seventy-four billion, four hundred sixty-one million, twelve thousand, five hundred thirty-seven".