70392125 has 16 divisors (see below), whose sum is σ = 88089456. Its totient is φ = 56160000.

The previous prime is 70392089. The next prime is 70392137. The reversal of 70392125 is 52129307.

It can be written as a sum of positive squares in 8 ways, for example, as 28879876 + 41512249 = 5374^2 + 6443^2 .

It is a de Polignac number, because none of the positive numbers 2^k-70392125 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74657 + ... + 75593.

It is an arithmetic number, because the mean of its divisors is an integer number (5505591).

Almost surely, 2^70392125 is an apocalyptic number.

It is an amenable number.

70392125 is a deficient number, since it is larger than the sum of its proper divisors (17697331).

70392125 is an equidigital number, since it uses as much as digits as its factorization.

70392125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553 (or 1543 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 70392125 is about 8390.0014898688. The cubic root of 70392125 is about 412.8966493851.

It can be divided in two parts, 703921 and 25, that multiplied together give a square (17598025 = 4195²).

The spelling of 70392125 in words is "seventy million, three hundred ninety-two thousand, one hundred twenty-five".