70037565 has 16 divisors (see below), whose sum is σ = 120680448. Its totient is φ = 34479936.

The previous prime is 70037563. The next prime is 70037573. The reversal of 70037565 is 56573007.

It is a happy number.

It is not a de Polignac number, because 70037565 - 2¹ = 70037563 is a prime.

It is a super-2 number, since 2×70037565² = 9810521022258450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70037563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179389 + ... + 179778.

It is an arithmetic number, because the mean of its divisors is an integer number (7542528).

Almost surely, 2^70037565 is an apocalyptic number.

It is an amenable number.

70037565 is a deficient number, since it is larger than the sum of its proper divisors (50642883).

70037565 is a wasteful number, since it uses less digits than its factorization.

70037565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359188.

The product of its (nonzero) digits is 22050, while the sum is 33.

The square root of 70037565 is about 8368.8449023745. The cubic root of 70037565 is about 412.2022387413.

The spelling of 70037565 in words is "seventy million, thirty-seven thousand, five hundred sixty-five".