70492917 has 16 divisors (see below), whose sum is σ = 102712320. Its totient is φ = 42649200.

The previous prime is 70492913. The next prime is 70492927. The reversal of 70492917 is 71929407.

It is not a de Polignac number, because 70492917 - 2² = 70492913 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70492913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22242 + ... + 25212.

It is an arithmetic number, because the mean of its divisors is an integer number (6419520).

Almost surely, 2^70492917 is an apocalyptic number.

It is an amenable number.

70492917 is a deficient number, since it is larger than the sum of its proper divisors (32219403).

70492917 is a wasteful number, since it uses less digits than its factorization.

70492917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 70492917 is about 8396.0060147668. The cubic root of 70492917 is about 413.0936261147.

The spelling of 70492917 in words is "seventy million, four hundred ninety-two thousand, nine hundred seventeen".