425450730 has 32 divisors (see below), whose sum is σ = 1031615424. Its totient is φ = 112283136.

The previous prime is 425450699. The next prime is 425450743. The reversal of 425450730 is 37054524.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70192 + ... + 76011.

It is an arithmetic number, because the mean of its divisors is an integer number (32237982).

Almost surely, 2^425450730 is an apocalyptic number.

425450730 is an abundant number, since it is smaller than the sum of its proper divisors (606164694).

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

425450730 is a wasteful number, since it uses less digits than its factorization.

425450730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146310.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 425450730 is about 20626.4570394433. The cubic root of 425450730 is about 752.1129925373.

The spelling of 425450730 in words is "four hundred twenty-five million, four hundred fifty thousand, seven hundred thirty".