70879797 has 12 divisors (see below), whose sum is σ = 103824864. Its totient is φ = 46587240.

The previous prime is 70879793. The next prime is 70879801. The reversal of 70879797 is 79797807.

It is an interprime number because it is at equal distance from previous prime (70879793) and next prime (70879801).

It is not a de Polignac number, because 70879797 - 2² = 70879793 is a prime.

It is a super-2 number, since 2×70879797² = 10047891245522418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70879793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54823 + ... + 56100.

It is an arithmetic number, because the mean of its divisors is an integer number (8652072).

Almost surely, 2^70879797 is an apocalyptic number.

It is an amenable number.

70879797 is a deficient number, since it is larger than the sum of its proper divisors (32945067).

70879797 is a wasteful number, since it uses less digits than its factorization.

70879797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111000 (or 110997 counting only the distinct ones).

The product of its (nonzero) digits is 1555848, while the sum is 54.

The square root of 70879797 is about 8419.0140159047. The cubic root of 70879797 is about 413.8479627963.

The spelling of 70879797 in words is "seventy million, eight hundred seventy-nine thousand, seven hundred ninety-seven".