63431070 has 16 divisors (see below), whose sum is σ = 152234640. Its totient is φ = 16914944.

The previous prime is 63431047. The next prime is 63431083. The reversal of 63431070 is 7013436.

It is a self number, because there is not a number n which added to its sum of digits gives 63431070.

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, 1057155 + ... + 1057214.

It is an arithmetic number, because the mean of its divisors is an integer number (9514665).

Almost surely, 2^63431070 is an apocalyptic number.

63431070 is an abundant number, since it is smaller than the sum of its proper divisors (88803570).

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

63431070 is a wasteful number, since it uses less digits than its factorization.

63431070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114379.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 63431070 is about 7964.3624980283. The cubic root of 63431070 is about 398.8111995505.

The spelling of 63431070 in words is "sixty-three million, four hundred thirty-one thousand, seventy".