70522357 has 8 divisors (see below), whose sum is σ = 74626560. Its totient is φ = 66457440.

The previous prime is 70522339. The next prime is 70522367. The reversal of 70522357 is 75322507.

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

It is a de Polignac number, because none of the positive numbers 2^k-70522357 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 (70522367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6088 + ... + 13345.

It is an arithmetic number, because the mean of its divisors is an integer number (9328320).

Almost surely, 2^70522357 is an apocalyptic number.

It is an amenable number.

70522357 is a deficient number, since it is larger than the sum of its proper divisors (4104203).

70522357 is a wasteful number, since it uses less digits than its factorization.

70522357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19643.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 70522357 is about 8397.7590463171. The cubic root of 70522357 is about 413.1511249589.

It can be divided in two parts, 7052 and 2357, that added together give a square (9409 = 97²).

The spelling of 70522357 in words is "seventy million, five hundred twenty-two thousand, three hundred fifty-seven".