70622605 has 4 divisors (see below), whose sum is σ = 84747132. Its totient is φ = 56498080.

The previous prime is 70622599. The next prime is 70622633. The reversal of 70622605 is 50622607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50622607 = 7 ⋅7231801.

It can be written as a sum of positive squares in 2 ways, for example, as 50381604 + 20241001 = 7098^2 + 4499^2 .

It is not a de Polignac number, because 70622605 - 2³ = 70622597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7062256 + ... + 7062265.

It is an arithmetic number, because the mean of its divisors is an integer number (21186783).

Almost surely, 2^70622605 is an apocalyptic number.

It is an amenable number.

70622605 is a deficient number, since it is larger than the sum of its proper divisors (14124527).

70622605 is a wasteful number, since it uses less digits than its factorization.

70622605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14124526.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 70622605 is about 8403.7256618716. The cubic root of 70622605 is about 413.3467979629.

The spelling of 70622605 in words is "seventy million, six hundred twenty-two thousand, six hundred five".