625420470 has 16 divisors (see below), whose sum is σ = 1501009200. Its totient is φ = 166778784.

The previous prime is 625420447. The next prime is 625420483. The reversal of 625420470 is 74024526.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 20847349 = 625420470 / (6 + 2 + 5 + 4 + 2 + 0 + 4 + 7 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10423645 + ... + 10423704.

It is an arithmetic number, because the mean of its divisors is an integer number (93813075).

Almost surely, 2^625420470 is an apocalyptic number.

625420470 is an abundant number, since it is smaller than the sum of its proper divisors (875588730).

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

625420470 is a wasteful number, since it uses less digits than its factorization.

625420470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20847359.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 625420470 is about 25008.4079861154. The cubic root of 625420470 is about 855.1796619815.

Adding to 625420470 its reverse (74024526), we get a palindrome (699444996).

The spelling of 625420470 in words is "six hundred twenty-five million, four hundred twenty thousand, four hundred seventy".