74880537 has 4 divisors (see below), whose sum is σ = 99840720. Its totient is φ = 49920356.

The previous prime is 74880503. The next prime is 74880557. The reversal of 74880537 is 73508847.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73508847 = 3 ⋅24502949.

It is a cyclic number.

It is not a de Polignac number, because 74880537 - 2⁷ = 74880409 is a prime.

It is a super-3 number, since 3×74880537³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (74880557) 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 3 ways as a sum of consecutive naturals, for example, 12480087 + ... + 12480092.

It is an arithmetic number, because the mean of its divisors is an integer number (24960180).

Almost surely, 2^74880537 is an apocalyptic number.

It is an amenable number.

74880537 is a deficient number, since it is larger than the sum of its proper divisors (24960183).

74880537 is a wasteful number, since it uses less digits than its factorization.

74880537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24960182.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 74880537 is about 8653.3540896002. The cubic root of 74880537 is about 421.4923047808.

The spelling of 74880537 in words is "seventy-four million, eight hundred eighty thousand, five hundred thirty-seven".