63157390 has 16 divisors (see below), whose sum is σ = 113879808. Its totient is φ = 25219296.

The previous prime is 63157357. The next prime is 63157399. The reversal of 63157390 is 9375136.

It is a super-2 number, since 2×63157390² = 7977711823224200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63157399) 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, 979 + ... + 11281.

It is an arithmetic number, because the mean of its divisors is an integer number (7117488).

Almost surely, 2^63157390 is an apocalyptic number.

63157390 is a deficient number, since it is larger than the sum of its proper divisors (50722418).

63157390 is a wasteful number, since it uses less digits than its factorization.

63157390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10923.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 63157390 is about 7947.1623866636. The cubic root of 63157390 is about 398.2368017497.

The spelling of 63157390 in words is "sixty-three million, one hundred fifty-seven thousand, three hundred ninety".