747526945 has 32 divisors (see below), whose sum is σ = 991315584. Its totient is φ = 536640000.

The previous prime is 747526943. The next prime is 747526961. The reversal of 747526945 is 549625747.

It is a happy number.

It is not a de Polignac number, because 747526945 - 2¹ = 747526943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (747526943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2388109 + ... + 2388421.

It is an arithmetic number, because the mean of its divisors is an integer number (30978612).

Almost surely, 2^747526945 is an apocalyptic number.

It is an amenable number.

747526945 is a deficient number, since it is larger than the sum of its proper divisors (243788639).

747526945 is a wasteful number, since it uses less digits than its factorization.

747526945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753.

The product of its digits is 2116800, while the sum is 49.

The square root of 747526945 is about 27340.9389926535. The cubic root of 747526945 is about 907.5605658440.

The spelling of 747526945 in words is "seven hundred forty-seven million, five hundred twenty-six thousand, nine hundred forty-five".