72507428244374 has 32 divisors (see below), whose sum is σ = 111165532600320. Its totient is φ = 35453516418432.

The previous prime is 72507428244373. The next prime is 72507428244389. The reversal of 72507428244374 is 47344282470527.

It is a super-2 number, since 2×72507428244374² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72507428244373) 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, 621826622 + ... + 621943214.

It is an arithmetic number, because the mean of its divisors is an integer number (3473922893760).

Almost surely, 2^{72507428244374} is an apocalyptic number.

72507428244374 is a deficient number, since it is larger than the sum of its proper divisors (38658104355946).

72507428244374 is a wasteful number, since it uses less digits than its factorization.

72507428244374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121964.

The product of its (nonzero) digits is 84295680, while the sum is 59.

The spelling of 72507428244374 in words is "seventy-two trillion, five hundred seven billion, four hundred twenty-eight million, two hundred forty-four thousand, three hundred seventy-four".