70072734 has 16 divisors (see below), whose sum is σ = 140268672. Its totient is φ = 23337048.

The previous prime is 70072727. The next prime is 70072753. The reversal of 70072734 is 43727007.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3337 + ... + 12299.

It is an arithmetic number, because the mean of its divisors is an integer number (8766792).

Almost surely, 2^70072734 is an apocalyptic number.

70072734 is an abundant number, since it is smaller than the sum of its proper divisors (70195938).

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

70072734 is a wasteful number, since it uses less digits than its factorization.

70072734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10271.

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 70072734 is about 8370.9458246963. The cubic root of 70072734 is about 412.2712222681.

The spelling of 70072734 in words is "seventy million, seventy-two thousand, seven hundred thirty-four".