628350074 has 16 divisors (see below), whose sum is σ = 1032746976. Its totient is φ = 284353200.

The previous prime is 628350061. The next prime is 628350077. The reversal of 628350074 is 470053826.

628350074 = 336² + 337² + ... + 1243².

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (628350077) 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, 57917 + ... + 67904.

It is an arithmetic number, because the mean of its divisors is an integer number (64546686).

Almost surely, 2^628350074 is an apocalyptic number.

628350074 is a deficient number, since it is larger than the sum of its proper divisors (404396902).

628350074 is a wasteful number, since it uses less digits than its factorization.

628350074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126061.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 628350074 is about 25066.9119358568. The cubic root of 628350074 is about 856.5128642988.

The spelling of 628350074 in words is "six hundred twenty-eight million, three hundred fifty thousand, seventy-four".