749478537 has 12 divisors (see below), whose sum is σ = 1117502464. Its totient is φ = 483534360.

The previous prime is 749478533. The next prime is 749478557. The reversal of 749478537 is 735874947.

It is not a de Polignac number, because 749478537 - 2² = 749478533 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749478533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1342873 + ... + 1343430.

Almost surely, 2^749478537 is an apocalyptic number.

It is an amenable number.

749478537 is a deficient number, since it is larger than the sum of its proper divisors (368023927).

749478537 is a wasteful number, since it uses less digits than its factorization.

749478537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686340 (or 2686337 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 54.

The square root of 749478537 is about 27376.6056515412. The cubic root of 749478537 is about 908.3496784497.

The spelling of 749478537 in words is "seven hundred forty-nine million, four hundred seventy-eight thousand, five hundred thirty-seven".