70552872 has 48 divisors (see below), whose sum is σ = 205781940. Its totient is φ = 21708288.

The previous prime is 70552861. The next prime is 70552883. The reversal of 70552872 is 27825507.

It is an interprime number because it is at equal distance from previous prime (70552861) and next prime (70552883).

It can be written as a sum of positive squares in 2 ways, for example, as 70459236 + 93636 = 8394^2 + 306^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36753 + ... + 38624.

Almost surely, 2^70552872 is an apocalyptic number.

70552872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

70552872 is an abundant number, since it is smaller than the sum of its proper divisors (135229068).

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

70552872 is a wasteful number, since it uses less digits than its factorization.

70552872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75402 (or 75395 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 70552872 is about 8399.5757035698. The cubic root of 70552872 is about 413.2107064834.

It can be divided in two parts, 705528 and 72, that added together give a square (705600 = 840²).

The spelling of 70552872 in words is "seventy million, five hundred fifty-two thousand, eight hundred seventy-two".