70053690 has 32 divisors (see below), whose sum is σ = 192147840. Its totient is φ = 16012224.

The previous prime is 70053689. The next prime is 70053713. The reversal of 70053690 is 9635007.

It is a super-2 number, since 2×70053690² = 9815038965232200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166585 + ... + 167004.

It is an arithmetic number, because the mean of its divisors is an integer number (6004620).

Almost surely, 2^70053690 is an apocalyptic number.

70053690 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70053690 is an abundant number, since it is smaller than the sum of its proper divisors (122094150).

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

70053690 is a wasteful number, since it uses less digits than its factorization.

70053690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333606.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 70053690 is about 8369.8082415310. The cubic root of 70053690 is about 412.2338705809.

Adding to 70053690 its reverse (9635007), we get a palindrome (79688697).

The spelling of 70053690 in words is "seventy million, fifty-three thousand, six hundred ninety".