70864872 has 32 divisors (see below), whose sum is σ = 190790880. Its totient is φ = 21804480.

The previous prime is 70864867. The next prime is 70864877. The reversal of 70864872 is 27846807.

It is an interprime number because it is at equal distance from previous prime (70864867) and next prime (70864877).

It is not an unprimeable number, because it can be changed into a prime (70864877) 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, 113254 + ... + 113877.

It is an arithmetic number, because the mean of its divisors is an integer number (5962215).

Almost surely, 2^70864872 is an apocalyptic number.

It is an amenable number.

70864872 is an abundant number, since it is smaller than the sum of its proper divisors (119926008).

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

70864872 is a wasteful number, since it uses less digits than its factorization.

70864872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227153 (or 227149 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 70864872 is about 8418.1275827823. The cubic root of 70864872 is about 413.8189130779.

The spelling of 70864872 in words is "seventy million, eight hundred sixty-four thousand, eight hundred seventy-two".