70132279 has 24 divisors (see below), whose sum is σ = 84837888. Its totient is φ = 57758400.

The previous prime is 70132277. The next prime is 70132289. The reversal of 70132279 is 97223107.

It is not a de Polignac number, because 70132279 - 2¹ = 70132277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70132279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70132273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182922 + ... + 183304.

It is an arithmetic number, because the mean of its divisors is an integer number (3534912).

Almost surely, 2^70132279 is an apocalyptic number.

70132279 is a deficient number, since it is larger than the sum of its proper divisors (14705609).

70132279 is a wasteful number, since it uses less digits than its factorization.

70132279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 70132279 is about 8374.5017165202. The cubic root of 70132279 is about 412.3879663915.

The spelling of 70132279 in words is "seventy million, one hundred thirty-two thousand, two hundred seventy-nine".