748639470 has 16 divisors (see below), whose sum is σ = 1796734800. Its totient is φ = 199637184.

The previous prime is 748639439. The next prime is 748639477. The reversal of 748639470 is 74936847.

It is a happy number.

It is a super-2 number, since 2×748639470² = 1120922112083761800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748639477) 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, 12477295 + ... + 12477354.

It is an arithmetic number, because the mean of its divisors is an integer number (112295925).

Almost surely, 2^748639470 is an apocalyptic number.

748639470 is an abundant number, since it is smaller than the sum of its proper divisors (1048095330).

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

748639470 is a wasteful number, since it uses less digits than its factorization.

748639470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24954659.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 748639470 is about 27361.2768342415. The cubic root of 748639470 is about 908.0105756368.

The spelling of 748639470 in words is "seven hundred forty-eight million, six hundred thirty-nine thousand, four hundred seventy".