70622565 has 32 divisors (see below), whose sum is σ = 122465280. Its totient is φ = 34751808.

The previous prime is 70622551. The next prime is 70622597. The reversal of 70622565 is 56522607.

It is not a de Polignac number, because 70622565 - 2⁶ = 70622501 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31884 + ... + 34026.

It is an arithmetic number, because the mean of its divisors is an integer number (3827040).

Almost surely, 2^70622565 is an apocalyptic number.

It is an amenable number.

70622565 is a deficient number, since it is larger than the sum of its proper divisors (51842715).

70622565 is a wasteful number, since it uses less digits than its factorization.

70622565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190 (or 2164 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 70622565 is about 8403.7232819745. The cubic root of 70622565 is about 413.3467199243.

The spelling of 70622565 in words is "seventy million, six hundred twenty-two thousand, five hundred sixty-five".