70975428 has 24 divisors (see below), whose sum is σ = 169649760. Its totient is φ = 23081280.

The previous prime is 70975403. The next prime is 70975439. The reversal of 70975428 is 82457907.

It is a super-2 number, since 2×70975428² = 10075022759566368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70975428.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71638 + ... + 72621.

It is an arithmetic number, because the mean of its divisors is an integer number (7068740).

Almost surely, 2^70975428 is an apocalyptic number.

It is an amenable number.

70975428 is an abundant number, since it is smaller than the sum of its proper divisors (98674332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70975428 is a wasteful number, since it uses less digits than its factorization.

70975428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144307 (or 144305 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 70975428 is about 8424.6915670545. The cubic root of 70975428 is about 414.0340003349.

The spelling of 70975428 in words is "seventy million, nine hundred seventy-five thousand, four hundred twenty-eight".