70152745 has 24 divisors (see below), whose sum is σ = 92719512. Its totient is φ = 50918400.

The previous prime is 70152713. The next prime is 70152767. The reversal of 70152745 is 54725107.

It can be written as a sum of positive squares in 12 ways, for example, as 66373609 + 3779136 = 8147^2 + 1944^2 .

It is not a de Polignac number, because 70152745 - 2⁵ = 70152713 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50865 + ... + 52225.

It is an arithmetic number, because the mean of its divisors is an integer number (3863313).

Almost surely, 2^70152745 is an apocalyptic number.

It is an amenable number.

70152745 is a deficient number, since it is larger than the sum of its proper divisors (22566767).

70152745 is a wasteful number, since it uses less digits than its factorization.

70152745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453 (or 1440 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 70152745 is about 8375.7235508343. The cubic root of 70152745 is about 412.4280768389.

The spelling of 70152745 in words is "seventy million, one hundred fifty-two thousand, seven hundred forty-five".