70913925 has 36 divisors (see below), whose sum is σ = 127593024. Its totient is φ = 37648800.

The previous prime is 70913897. The next prime is 70913933. The reversal of 70913925 is 52931907.

It is not a de Polignac number, because 70913925 - 2¹⁷ = 70782853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70913925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 60394 + ... + 61556.

Almost surely, 2^70913925 is an apocalyptic number.

70913925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70913925 is a deficient number, since it is larger than the sum of its proper divisors (56679099).

70913925 is a wasteful number, since it uses less digits than its factorization.

70913925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450 (or 1442 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 70913925 is about 8421.0406126559. The cubic root of 70913925 is about 413.9143735257.

The spelling of 70913925 in words is "seventy million, nine hundred thirteen thousand, nine hundred twenty-five".