746907990 has 16 divisors (see below), whose sum is σ = 1792579248. Its totient is φ = 199175456.

The previous prime is 746907961. The next prime is 746907991. The reversal of 746907990 is 99709647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746907991) 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, 12448437 + ... + 12448496.

It is an arithmetic number, because the mean of its divisors is an integer number (112036203).

Almost surely, 2^746907990 is an apocalyptic number.

746907990 is an abundant number, since it is smaller than the sum of its proper divisors (1045671258).

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

746907990 is a wasteful number, since it uses less digits than its factorization.

746907990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24896943.

The product of its (nonzero) digits is 857304, while the sum is 51.

The square root of 746907990 is about 27329.6174506706. The cubic root of 746907990 is about 907.3100088726.

The spelling of 746907990 in words is "seven hundred forty-six million, nine hundred seven thousand, nine hundred ninety".