70622399 has 8 divisors (see below), whose sum is σ = 71351280. Its totient is φ = 69897600.

The previous prime is 70622389. The next prime is 70622407. The reversal of 70622399 is 99322607.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70622399 - 2⁸ = 70622143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70622339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42812 + ... + 44430.

It is an arithmetic number, because the mean of its divisors is an integer number (8918910).

Almost surely, 2^70622399 is an apocalyptic number.

70622399 is a deficient number, since it is larger than the sum of its proper divisors (728881).

70622399 is a wasteful number, since it uses less digits than its factorization.

70622399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 70622399 is about 8403.7134053941. The cubic root of 70622399 is about 413.3463960636.

The spelling of 70622399 in words is "seventy million, six hundred twenty-two thousand, three hundred ninety-nine".