721674054 has 12 divisors (see below), whose sum is σ = 1563627156. Its totient is φ = 240558012.

The previous prime is 721674053. The next prime is 721674073. The reversal of 721674054 is 450476127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (721674053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20046484 + ... + 20046519.

It is an arithmetic number, because the mean of its divisors is an integer number (130302263).

Almost surely, 2^721674054 is an apocalyptic number.

721674054 is an abundant number, since it is smaller than the sum of its proper divisors (841953102).

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

721674054 is a wasteful number, since it uses less digits than its factorization.

721674054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40093011 (or 40093008 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 721674054 is about 26863.9917733758. The cubic root of 721674054 is about 896.9750517850.

The spelling of 721674054 in words is "seven hundred twenty-one million, six hundred seventy-four thousand, fifty-four".