63620590 has 24 divisors (see below), whose sum is σ = 125876520. Its totient is φ = 23134320.

The previous prime is 63620567. The next prime is 63620591. The reversal of 63620590 is 9502636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63620591) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25080 + ... + 27499.

It is an arithmetic number, because the mean of its divisors is an integer number (5244855).

Almost surely, 2^63620590 is an apocalyptic number.

63620590 is a deficient number, since it is larger than the sum of its proper divisors (62255930).

63620590 is a wasteful number, since it uses less digits than its factorization.

63620590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52608 (or 52597 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 63620590 is about 7976.2516259205. The cubic root of 63620590 is about 399.2079953566.

The spelling of 63620590 in words is "sixty-three million, six hundred twenty thousand, five hundred ninety".