70722315 has 80 divisors (see below), whose sum is σ = 134931456. Its totient is φ = 35380800.

The previous prime is 70722307. The next prime is 70722317. The reversal of 70722315 is 51322707.

It is not a de Polignac number, because 70722315 - 2³ = 70722307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (70722317) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 539800 + ... + 539930.

Almost surely, 2^70722315 is an apocalyptic number.

70722315 is a deficient number, since it is larger than the sum of its proper divisors (64209141).

70722315 is a wasteful number, since it uses less digits than its factorization.

70722315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 70722315 is about 8409.6560571762. The cubic root of 70722315 is about 413.5412372541.

The spelling of 70722315 in words is "seventy million, seven hundred twenty-two thousand, three hundred fifteen".