70624227 has 4 divisors (see below), whose sum is σ = 94165640. Its totient is φ = 47082816.

The previous prime is 70624219. The next prime is 70624241. The reversal of 70624227 is 72242607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72242607 = 3 ⋅24080869.

It is not a de Polignac number, because 70624227 - 2³ = 70624219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70624194 and 70624203.

It is not an unprimeable number, because it can be changed into a prime (70624207) 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, 11770702 + ... + 11770707.

It is an arithmetic number, because the mean of its divisors is an integer number (23541410).

Almost surely, 2^70624227 is an apocalyptic number.

70624227 is a deficient number, since it is larger than the sum of its proper divisors (23541413).

70624227 is a wasteful number, since it uses less digits than its factorization.

70624227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23541412.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 70624227 is about 8403.8221661337. The cubic root of 70624227 is about 413.3499624047.

The spelling of 70624227 in words is "seventy million, six hundred twenty-four thousand, two hundred twenty-seven".