1572072372 has 72 divisors (see below), whose sum is σ = 4417620480. Its totient is φ = 468106560.

The previous prime is 1572072367. The next prime is 1572072377. The reversal of 1572072372 is 2732702751.

It is an interprime number because it is at equal distance from previous prime (1572072367) and next prime (1572072377).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1572072377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39672 + ... + 68687.

It is an arithmetic number, because the mean of its divisors is an integer number (61355840).

Almost surely, 2^1572072372 is an apocalyptic number.

1572072372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1572072372 is an abundant number, since it is smaller than the sum of its proper divisors (2845548108).

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

1572072372 is a wasteful number, since it uses less digits than its factorization.

1572072372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108413 (or 108408 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 1572072372 is about 39649.3678638134. The cubic root of 1572072372 is about 1162.7620398537.

The spelling of 1572072372 in words is "one billion, five hundred seventy-two million, seventy-two thousand, three hundred seventy-two".