747547730 has 16 divisors (see below), whose sum is σ = 1347770880. Its totient is φ = 298533552.

The previous prime is 747547727. The next prime is 747547739. The reversal of 747547730 is 37745747.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (747547739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54194 + ... + 66573.

It is an arithmetic number, because the mean of its divisors is an integer number (84235680).

Almost surely, 2^747547730 is an apocalyptic number.

747547730 is a deficient number, since it is larger than the sum of its proper divisors (600223150).

747547730 is a wasteful number, since it uses less digits than its factorization.

747547730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121393.

The product of its (nonzero) digits is 576240, while the sum is 44.

The square root of 747547730 is about 27341.3190976588. The cubic root of 747547730 is about 907.5689773452.

The spelling of 747547730 in words is "seven hundred forty-seven million, five hundred forty-seven thousand, seven hundred thirty".