752472139 has 16 divisors (see below), whose sum is σ = 817762176. Its totient is φ = 689587200.

The previous prime is 752472121. The next prime is 752472151. The reversal of 752472139 is 931274257.

752472139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 752472139 - 2⁷ = 752472011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (752479139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610654 + ... + 611884.

It is an arithmetic number, because the mean of its divisors is an integer number (51110136).

Almost surely, 2^752472139 is an apocalyptic number.

752472139 is a deficient number, since it is larger than the sum of its proper divisors (65290037).

752472139 is a wasteful number, since it uses less digits than its factorization.

752472139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166.

The product of its digits is 105840, while the sum is 40.

The square root of 752472139 is about 27431.2256197203. The cubic root of 752472139 is about 909.5574626435.

The spelling of 752472139 in words is "seven hundred fifty-two million, four hundred seventy-two thousand, one hundred thirty-nine".