58172040 has 128 divisors (see below), whose sum is σ = 197308800. Its totient is φ = 15240960.

The previous prime is 58172039. The next prime is 58172063. The reversal of 58172040 is 4027185.

58172040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 58171995 and 58172013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65439 + ... + 66321.

It is an arithmetic number, because the mean of its divisors is an integer number (1541475).

Almost surely, 2^58172040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 58172040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98654400).

58172040 is an abundant number, since it is smaller than the sum of its proper divisors (139136760).

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

58172040 is a wasteful number, since it uses less digits than its factorization.

58172040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964 (or 954 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 58172040 is about 7627.0597218063. The cubic root of 58172040 is about 387.4700136352.

The spelling of 58172040 in words is "fifty-eight million, one hundred seventy-two thousand, forty".