747213537 has 32 divisors (see below), whose sum is σ = 1168921600. Its totient is φ = 415679040.

The previous prime is 747213503. The next prime is 747213613. The reversal of 747213537 is 735312747.

It is not a de Polignac number, because 747213537 - 2¹⁰ = 747212513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 747213495 and 747213504.

It is not an unprimeable number, because it can be changed into a prime (747213637) 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, 313962 + ... + 316332.

It is an arithmetic number, because the mean of its divisors is an integer number (36528800).

Almost surely, 2^747213537 is an apocalyptic number.

It is an amenable number.

747213537 is a deficient number, since it is larger than the sum of its proper divisors (421708063).

747213537 is a wasteful number, since it uses less digits than its factorization.

747213537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773.

The product of its digits is 123480, while the sum is 39.

The square root of 747213537 is about 27335.2069134294. The cubic root of 747213537 is about 907.4337135595.

The spelling of 747213537 in words is "seven hundred forty-seven million, two hundred thirteen thousand, five hundred thirty-seven".