747764394 has 32 divisors (see below), whose sum is σ = 1611766464. Its totient is φ = 229910400.

The previous prime is 747764393. The next prime is 747764401. The reversal of 747764394 is 493467747.

It is not an unprimeable number, because it can be changed into a prime (747764393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137817 + ... + 143139.

It is an arithmetic number, because the mean of its divisors is an integer number (50367702).

Almost surely, 2^747764394 is an apocalyptic number.

747764394 is an abundant number, since it is smaller than the sum of its proper divisors (864002070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

747764394 is a wasteful number, since it uses less digits than its factorization.

747764394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7142.

The product of its digits is 3556224, while the sum is 51.

The square root of 747764394 is about 27345.2810188522. The cubic root of 747764394 is about 907.6566500216.

The spelling of 747764394 in words is "seven hundred forty-seven million, seven hundred sixty-four thousand, three hundred ninety-four".