872402061 has 8 divisors (see below), whose sum is σ = 1165795200. Its totient is φ = 580305152.

The previous prime is 872402033. The next prime is 872402071. The reversal of 872402061 is 160204278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 872402061 - 2⁶ = 872401997 is a prime.

It is a super-2 number, since 2×872402061² = 1522170712074095442, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872402071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322485 + ... + 325178.

It is an arithmetic number, because the mean of its divisors is an integer number (145724400).

Almost surely, 2^872402061 is an apocalyptic number.

It is an amenable number.

872402061 is a deficient number, since it is larger than the sum of its proper divisors (293393139).

872402061 is a wasteful number, since it uses less digits than its factorization.

872402061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648115.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 872402061 is about 29536.4530876678. The cubic root of 872402061 is about 955.5180475577.

The spelling of 872402061 in words is "eight hundred seventy-two million, four hundred two thousand, sixty-one".