70307814 has 16 divisors (see below), whose sum is σ = 145152000. Its totient is φ = 22679880.

The previous prime is 70307813. The next prime is 70307837. The reversal of 70307814 is 41870307.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70307813) 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, 188814 + ... + 189185.

It is an arithmetic number, because the mean of its divisors is an integer number (9072000).

Almost surely, 2^70307814 is an apocalyptic number.

70307814 is an abundant number, since it is smaller than the sum of its proper divisors (74844186).

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

70307814 is a wasteful number, since it uses less digits than its factorization.

70307814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378035.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 70307814 is about 8384.9754919141. The cubic root of 70307814 is about 412.7317368230.

The spelling of 70307814 in words is "seventy million, three hundred seven thousand, eight hundred fourteen".