1372724072 has 16 divisors (see below), whose sum is σ = 2576572740. Its totient is φ = 685638016.

The previous prime is 1372724071. The next prime is 1372724081. The reversal of 1372724072 is 2704272731.

It can be written as a sum of positive squares in 2 ways, for example, as 1329769156 + 42954916 = 36466^2 + 6554^2 .

It is a super-2 number, since 2×1372724072² = 3768742755696522368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1372724071) 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, 82403 + ... + 97650.

Almost surely, 2^1372724072 is an apocalyptic number.

It is an amenable number.

1372724072 is a deficient number, since it is larger than the sum of its proper divisors (1203848668).

1372724072 is a wasteful number, since it uses less digits than its factorization.

1372724072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181012 (or 181008 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 1372724072 is about 37050.2911189642. The cubic root of 1372724072 is about 1111.3761769418.

The spelling of 1372724072 in words is "one billion, three hundred seventy-two million, seven hundred twenty-four thousand, seventy-two".