70622457 has 4 divisors (see below), whose sum is σ = 94163280. Its totient is φ = 47081636.

The previous prime is 70622423. The next prime is 70622467. The reversal of 70622457 is 75422607.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70622457 - 2¹⁰ = 70621433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70622407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11770407 + ... + 11770412.

It is an arithmetic number, because the mean of its divisors is an integer number (23540820).

Almost surely, 2^70622457 is an apocalyptic number.

It is an amenable number.

70622457 is a deficient number, since it is larger than the sum of its proper divisors (23540823).

70622457 is a wasteful number, since it uses less digits than its factorization.

70622457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23540822.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 70622457 is about 8403.7168562488. The cubic root of 70622457 is about 413.3465092198.

The spelling of 70622457 in words is "seventy million, six hundred twenty-two thousand, four hundred fifty-seven".