425292720 has 80 divisors (see below), whose sum is σ = 1360960512. Its totient is φ = 109751040.

The previous prime is 425292691. The next prime is 425292727. The reversal of 425292720 is 27292524.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (425292727) 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, 21142 + ... + 36021.

Almost surely, 2^425292720 is an apocalyptic number.

425292720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425292720 is an abundant number, since it is smaller than the sum of its proper divisors (935667792).

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

425292720 is a wasteful number, since it uses less digits than its factorization.

425292720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57210 (or 57204 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 425292720 is about 20622.6264088743. The cubic root of 425292720 is about 752.0198708345.

The spelling of 425292720 in words is "four hundred twenty-five million, two hundred ninety-two thousand, seven hundred twenty".