70707742 has 16 divisors (see below), whose sum is σ = 125393760. Its totient is φ = 29258208.

The previous prime is 70707737. The next prime is 70707761. The reversal of 70707742 is 24770707.

It is a junction number, because it is equal to n+sod(n) for n = 70707698 and 70707707.

It is a congruent number.

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, 86673 + ... + 87484.

It is an arithmetic number, because the mean of its divisors is an integer number (7837110).

Almost surely, 2^70707742 is an apocalyptic number.

70707742 is a deficient number, since it is larger than the sum of its proper divisors (54686018).

70707742 is a wasteful number, since it uses less digits than its factorization.

70707742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174195.

The product of its (nonzero) digits is 19208, while the sum is 34.

The square root of 70707742 is about 8408.7895680651. The cubic root of 70707742 is about 413.5128306121.

The spelling of 70707742 in words is "seventy million, seven hundred seven thousand, seven hundred forty-two".