70640094 has 16 divisors (see below), whose sum is σ = 161463168. Its totient is φ = 20182872.

The previous prime is 70640093. The next prime is 70640111. The reversal of 70640094 is 49004607.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70640093) 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, 840912 + ... + 840995.

It is an arithmetic number, because the mean of its divisors is an integer number (10091448).

Almost surely, 2^70640094 is an apocalyptic number.

70640094 is an abundant number, since it is smaller than the sum of its proper divisors (90823074).

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

70640094 is a wasteful number, since it uses less digits than its factorization.

70640094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681919.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 70640094 is about 8404.7661478473. The cubic root of 70640094 is about 413.3809155824.

The spelling of 70640094 in words is "seventy million, six hundred forty thousand, ninety-four".