70728622 has 16 divisors (see below), whose sum is σ = 109958400. Its totient is φ = 34080480.

The previous prime is 70728599. The next prime is 70728629. The reversal of 70728622 is 22682707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70728629) 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, 47347 + ... + 48817.

It is an arithmetic number, because the mean of its divisors is an integer number (6872400).

Almost surely, 2^70728622 is an apocalyptic number.

70728622 is a deficient number, since it is larger than the sum of its proper divisors (39229778).

70728622 is a wasteful number, since it uses less digits than its factorization.

70728622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 70728622 is about 8410.0310344255. The cubic root of 70728622 is about 413.5535300599.

The spelling of 70728622 in words is "seventy million, seven hundred twenty-eight thousand, six hundred twenty-two".