677690722 has 16 divisors (see below), whose sum is σ = 1086607872. Its totient is φ = 316206880.

The previous prime is 677690711. The next prime is 677690723. The reversal of 677690722 is 227096776.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (677690723) 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, 177778 + ... + 181549.

It is an arithmetic number, because the mean of its divisors is an integer number (67912992).

Almost surely, 2^677690722 is an apocalyptic number.

677690722 is a deficient number, since it is larger than the sum of its proper divisors (408917150).

677690722 is a wasteful number, since it uses less digits than its factorization.

677690722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359393.

The product of its (nonzero) digits is 444528, while the sum is 46.

The square root of 677690722 is about 26032.4935801394. The cubic root of 677690722 is about 878.3693640865.

The spelling of 677690722 in words is "six hundred seventy-seven million, six hundred ninety thousand, seven hundred twenty-two".