58399720 has 16 divisors (see below), whose sum is σ = 131399460. Its totient is φ = 23359872.

The previous prime is 58399717. The next prime is 58399721. The reversal of 58399720 is 2799385.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53319204 + 5080516 = 7302^2 + 2254^2 .

It is not an unprimeable number, because it can be changed into a prime (58399721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729957 + ... + 730036.

Almost surely, 2^58399720 is an apocalyptic number.

It is an amenable number.

58399720 is an abundant number, since it is smaller than the sum of its proper divisors (72999740).

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

58399720 is a wasteful number, since it uses less digits than its factorization.

58399720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460004 (or 1460000 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 58399720 is about 7641.9709499579. The cubic root of 58399720 is about 387.9748628629.

The spelling of 58399720 in words is "fifty-eight million, three hundred ninety-nine thousand, seven hundred twenty".