472157630 has 48 divisors (see below), whose sum is σ = 1011677040. Its totient is φ = 158110848.

The previous prime is 472157617. The next prime is 472157633. The reversal of 472157630 is 36751274.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472157633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9866 + ... + 32274.

It is an arithmetic number, because the mean of its divisors is an integer number (21076605).

Almost surely, 2^472157630 is an apocalyptic number.

472157630 is an abundant number, since it is smaller than the sum of its proper divisors (539519410).

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

472157630 is a wasteful number, since it uses less digits than its factorization.

472157630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22473 (or 22466 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 472157630 is about 21729.1884339936. The cubic root of 472157630 is about 778.6859476839.

It can be divided in two parts, 47215 and 7630, that added together give a palindrome (54845).

The spelling of 472157630 in words is "four hundred seventy-two million, one hundred fifty-seven thousand, six hundred thirty".