70742716 has 24 divisors (see below), whose sum is σ = 139713840. Its totient is φ = 31046400.

The previous prime is 70742701. The next prime is 70742717. The reversal of 70742716 is 61724707.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70742717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26445 + ... + 28996.

It is an arithmetic number, because the mean of its divisors is an integer number (5821410).

Almost surely, 2^70742716 is an apocalyptic number.

It is an amenable number.

70742716 is a deficient number, since it is larger than the sum of its proper divisors (68971124).

70742716 is a wasteful number, since it uses less digits than its factorization.

70742716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55485 (or 55483 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 70742716 is about 8410.8689206288. The cubic root of 70742716 is about 413.5809976591.

Subtracting from 70742716 its reverse (61724707), we obtain a square (9018009 = 3003²).

The spelling of 70742716 in words is "seventy million, seven hundred forty-two thousand, seven hundred sixteen".