70922397 has 32 divisors (see below), whose sum is σ = 118056960. Its totient is φ = 36872640.

The previous prime is 70922393. The next prime is 70922399. The reversal of 70922397 is 79322907.

It is not a de Polignac number, because 70922397 - 2² = 70922393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70922393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17554 + ... + 21212.

It is an arithmetic number, because the mean of its divisors is an integer number (3689280).

Almost surely, 2^70922397 is an apocalyptic number.

It is an amenable number.

70922397 is a deficient number, since it is larger than the sum of its proper divisors (47134563).

70922397 is a wasteful number, since it uses less digits than its factorization.

70922397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3753.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 70922397 is about 8421.5436233508. The cubic root of 70922397 is about 413.9308561508.

The spelling of 70922397 in words is "seventy million, nine hundred twenty-two thousand, three hundred ninety-seven".