628793374 has 8 divisors (see below), whose sum is σ = 1028934648. Its totient is φ = 285815160.

The previous prime is 628793371. The next prime is 628793381. The reversal of 628793374 is 473397826.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×628793374² = 790762214372607752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628793371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14290737 + ... + 14290780.

It is an arithmetic number, because the mean of its divisors is an integer number (128616831).

Almost surely, 2^628793374 is an apocalyptic number.

628793374 is a deficient number, since it is larger than the sum of its proper divisors (400141274).

628793374 is a wasteful number, since it uses less digits than its factorization.

628793374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28581530.

The product of its digits is 1524096, while the sum is 49.

The square root of 628793374 is about 25075.7527105369. The cubic root of 628793374 is about 856.7142397808.

The spelling of 628793374 in words is "six hundred twenty-eight million, seven hundred ninety-three thousand, three hundred seventy-four".