70725074 has 32 divisors (see below), whose sum is σ = 126406656. Its totient is φ = 29039760.

The previous prime is 70725073. The next prime is 70725077. The reversal of 70725074 is 47052707.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 70725074.

It is not an unprimeable number, because it can be changed into a prime (70725071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45677 + ... + 47199.

It is an arithmetic number, because the mean of its divisors is an integer number (3950208).

Almost surely, 2^70725074 is an apocalyptic number.

70725074 is a deficient number, since it is larger than the sum of its proper divisors (55681582).

70725074 is a wasteful number, since it uses less digits than its factorization.

70725074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670.

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 70725074 is about 8409.8200932006. The cubic root of 70725074 is about 413.5466148374.

The spelling of 70725074 in words is "seventy million, seven hundred twenty-five thousand, seventy-four".