70091925 has 48 divisors (see below), whose sum is σ = 122135040. Its totient is φ = 35400640.

The previous prime is 70091911. The next prime is 70091947. The reversal of 70091925 is 52919007.

It is not a de Polignac number, because 70091925 - 2¹³ = 70083733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 308662 + ... + 308888.

It is an arithmetic number, because the mean of its divisors is an integer number (2544480).

Almost surely, 2^70091925 is an apocalyptic number.

70091925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70091925 is a deficient number, since it is larger than the sum of its proper divisors (52043115).

70091925 is a wasteful number, since it uses less digits than its factorization.

70091925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 70091925 is about 8372.0920324612. The cubic root of 70091925 is about 412.3088554263.

The spelling of 70091925 in words is "seventy million, ninety-one thousand, nine hundred twenty-five".