70872250 has 16 divisors (see below), whose sum is σ = 132673320. Its totient is φ = 28348800.

The previous prime is 70872247. The next prime is 70872251. The reversal of 70872250 is 5227807.

It can be written as a sum of positive squares in 4 ways, for example, as 23551609 + 47320641 = 4853^2 + 6879^2 .

It is not an unprimeable number, because it can be changed into a prime (70872251) 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, 141495 + ... + 141994.

Almost surely, 2^70872250 is an apocalyptic number.

70872250 is a deficient number, since it is larger than the sum of its proper divisors (61801070).

70872250 is a wasteful number, since it uses less digits than its factorization.

70872250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283506 (or 283496 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 70872250 is about 8418.5657923425. The cubic root of 70872250 is about 413.8332739777.

The spelling of 70872250 in words is "seventy million, eight hundred seventy-two thousand, two hundred fifty".