70445814 has 32 divisors (see below), whose sum is σ = 147420000. Its totient is φ = 22412544.

The previous prime is 70445797. The next prime is 70445833. The reversal of 70445814 is 41854407.

It is a super-2 number, since 2×70445814² = 9925225420245192, which contains 22 as substring.

It is a congruent number.

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, 13212 + ... + 17760.

It is an arithmetic number, because the mean of its divisors is an integer number (4606875).

Almost surely, 2^70445814 is an apocalyptic number.

70445814 is an abundant number, since it is smaller than the sum of its proper divisors (76974186).

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

70445814 is a wasteful number, since it uses less digits than its factorization.

70445814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 70445814 is about 8393.2004622790. The cubic root of 70445814 is about 413.0015966106.

The spelling of 70445814 in words is "seventy million, four hundred forty-five thousand, eight hundred fourteen".