70505925 has 48 divisors (see below), whose sum is σ = 139038720. Its totient is φ = 30824640.

The previous prime is 70505917. The next prime is 70505933. The reversal of 70505925 is 52950507.

It is an interprime number because it is at equal distance from previous prime (70505917) and next prime (70505933).

It is not a de Polignac number, because 70505925 - 2³ = 70505917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9156 + ... + 14994.

It is an arithmetic number, because the mean of its divisors is an integer number (2896640).

Almost surely, 2^70505925 is an apocalyptic number.

70505925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70505925 is a deficient number, since it is larger than the sum of its proper divisors (68532795).

70505925 is a wasteful number, since it uses less digits than its factorization.

70505925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882 (or 5877 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 33.

The square root of 70505925 is about 8396.7806330760. The cubic root of 70505925 is about 413.1190338277.

The spelling of 70505925 in words is "seventy million, five hundred five thousand, nine hundred twenty-five".