58739921 has 4 divisors (see below), whose sum is σ = 60172644. Its totient is φ = 57307200.

The previous prime is 58739917. The next prime is 58739927. The reversal of 58739921 is 12993785.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3013696 + 55726225 = 1736^2 + 7465^2 .

It is a cyclic number.

It is not a de Polignac number, because 58739921 - 2² = 58739917 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58739927) 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, 716300 + ... + 716381.

It is an arithmetic number, because the mean of its divisors is an integer number (15043161).

Almost surely, 2^58739921 is an apocalyptic number.

It is an amenable number.

58739921 is a deficient number, since it is larger than the sum of its proper divisors (1432723).

58739921 is a wasteful number, since it uses less digits than its factorization.

58739921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432722.

The product of its digits is 136080, while the sum is 44.

The square root of 58739921 is about 7664.1973487117. The cubic root of 58739921 is about 388.7267726668.

The spelling of 58739921 in words is "fifty-eight million, seven hundred thirty-nine thousand, nine hundred twenty-one".