715686421372 has 96 divisors (see below), whose sum is σ = 1438963384320. Its totient is φ = 308726380800.

The previous prime is 715686421363. The next prime is 715686421379. The reversal of 715686421372 is 273124686517.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715686421379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28227333 + ... + 28252675.

It is an arithmetic number, because the mean of its divisors is an integer number (14989201920).

Almost surely, 2^715686421372 is an apocalyptic number.

It is an amenable number.

715686421372 is an abundant number, since it is smaller than the sum of its proper divisors (723276962948).

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

715686421372 is a wasteful number, since it uses less digits than its factorization.

715686421372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25763 (or 25761 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 52.

The spelling of 715686421372 in words is "seven hundred fifteen billion, six hundred eighty-six million, four hundred twenty-one thousand, three hundred seventy-two".