70791022 has 4 divisors (see below), whose sum is σ = 106186536. Its totient is φ = 35395510.

The previous prime is 70790989. The next prime is 70791023. The reversal of 70791022 is 22019707.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22019707 = 419 ⋅52553.

It is a super-2 number, since 2×70791022² = 10022737591608968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70791023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17697754 + ... + 17697757.

It is an arithmetic number, because the mean of its divisors is an integer number (26546634).

Almost surely, 2^70791022 is an apocalyptic number.

70791022 is a deficient number, since it is larger than the sum of its proper divisors (35395514).

70791022 is a wasteful number, since it uses less digits than its factorization.

70791022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35395513.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 70791022 is about 8413.7400720488. The cubic root of 70791022 is about 413.6751128754.

The spelling of 70791022 in words is "seventy million, seven hundred ninety-one thousand, twenty-two".