70216025 has 24 divisors (see below), whose sum is σ = 95404608. Its totient is φ = 50840000.

The previous prime is 70216021. The next prime is 70216031. The reversal of 70216025 is 52061207.

It is not a de Polignac number, because 70216025 - 2² = 70216021 is a prime.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70216021) 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, 85115 + ... + 85935.

It is an arithmetic number, because the mean of its divisors is an integer number (3975192).

Almost surely, 2^70216025 is an apocalyptic number.

70216025 is the 6842-nd pentagonal number.

It is an amenable number.

70216025 is a deficient number, since it is larger than the sum of its proper divisors (25188583).

70216025 is a wasteful number, since it uses less digits than its factorization.

70216025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 70216025 is about 8379.5002834298. The cubic root of 70216025 is about 412.5520473047.

It can be divided in two parts, 7021602 and 5, that multiplied together give a triangular number (35108010 = T₈₃₇₉).

The spelling of 70216025 in words is "seventy million, two hundred sixteen thousand, twenty-five".