70780074 has 16 divisors (see below), whose sum is σ = 141717600. Its totient is φ = 23567120.

The previous prime is 70780067. The next prime is 70780079. The reversal of 70780074 is 47008707.

It is not an unprimeable number, because it can be changed into a prime (70780079) 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, 249 + ... + 11900.

It is an arithmetic number, because the mean of its divisors is an integer number (8857350).

Almost surely, 2^70780074 is an apocalyptic number.

70780074 is an abundant number, since it is smaller than the sum of its proper divisors (70937526).

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

70780074 is a wasteful number, since it uses less digits than its factorization.

70780074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13125.

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 70780074 is about 8413.0894444312. The cubic root of 70780074 is about 413.6537864957.

The spelling of 70780074 in words is "seventy million, seven hundred eighty thousand, seventy-four".