70724379 has 48 divisors (see below), whose sum is σ = 111234816. Its totient is φ = 39842880.

The previous prime is 70724377. The next prime is 70724387. The reversal of 70724379 is 97342707.

It is not a de Polignac number, because 70724379 - 2¹ = 70724377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70724377) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 358909 + ... + 359105.

It is an arithmetic number, because the mean of its divisors is an integer number (2317392).

Almost surely, 2^70724379 is an apocalyptic number.

70724379 is a deficient number, since it is larger than the sum of its proper divisors (40510437).

70724379 is a wasteful number, since it uses less digits than its factorization.

70724379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 39.

The square root of 70724379 is about 8409.7787723578. The cubic root of 70724379 is about 413.5452602220.

The spelling of 70724379 in words is "seventy million, seven hundred twenty-four thousand, three hundred seventy-nine".