58720690 has 32 divisors (see below), whose sum is σ = 121065984. Its totient is φ = 20088000.

The previous prime is 58720663. The next prime is 58720709. The reversal of 58720690 is 9602785.

It is a super-2 number, since 2×58720690² = 6896238868152200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52012 + ... + 53128.

It is an arithmetic number, because the mean of its divisors is an integer number (3783312).

Almost surely, 2^58720690 is an apocalyptic number.

58720690 is an abundant number, since it is smaller than the sum of its proper divisors (62345294).

58720690 is a wasteful number, since it uses less digits than its factorization.

58720690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 58720690 is about 7662.9426462685. The cubic root of 58720690 is about 388.6843459809.

The spelling of 58720690 in words is "fifty-eight million, seven hundred twenty thousand, six hundred ninety".