74748537 has 12 divisors (see below), whose sum is σ = 108074304. Its totient is φ = 49784280.

The previous prime is 74748521. The next prime is 74748559. The reversal of 74748537 is 73584747.

74748537 is a `hidden beast` number, since 74 + 7 + 48 + 537 = 666.

It is not a de Polignac number, because 74748537 - 2⁴ = 74748521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74748492 and 74748501.

It is not an unprimeable number, because it can be changed into a prime (74748437) 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 11 ways as a sum of consecutive naturals, for example, 7612 + ... + 14402.

It is an arithmetic number, because the mean of its divisors is an integer number (9006192).

Almost surely, 2^74748537 is an apocalyptic number.

It is an amenable number.

74748537 is a deficient number, since it is larger than the sum of its proper divisors (33325767).

74748537 is a wasteful number, since it uses less digits than its factorization.

74748537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8020 (or 8017 counting only the distinct ones).

The product of its digits is 658560, while the sum is 45.

The square root of 74748537 is about 8645.7236250068. The cubic root of 74748537 is about 421.2444891224.

It can be divided in two parts, 747 and 48537, that added together give a square (49284 = 222²).

The spelling of 74748537 in words is "seventy-four million, seven hundred forty-eight thousand, five hundred thirty-seven".