70491822 has 16 divisors (see below), whose sum is σ = 143983872. Its totient is φ = 22997240.

The previous prime is 70491787. The next prime is 70491823. The reversal of 70491822 is 22819407.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70491823) 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, 124704 + ... + 125267.

It is an arithmetic number, because the mean of its divisors is an integer number (8998992).

Almost surely, 2^70491822 is an apocalyptic number.

70491822 is an abundant number, since it is smaller than the sum of its proper divisors (73492050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70491822 is a wasteful number, since it uses less digits than its factorization.

70491822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250023.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 70491822 is about 8395.9408049366. The cubic root of 70491822 is about 413.0914871771.

The spelling of 70491822 in words is "seventy million, four hundred ninety-one thousand, eight hundred twenty-two".