674250385 has 16 divisors (see below), whose sum is σ = 832803840. Its totient is φ = 523823040.

The previous prime is 674250349. The next prime is 674250419. The reversal of 674250385 is 583052476.

It is not a de Polignac number, because 674250385 - 2¹⁵ = 674217617 is a prime.

It is a super-2 number, since 2×674250385² = 909227163345296450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10104 + ... + 38086.

It is an arithmetic number, because the mean of its divisors is an integer number (52050240).

Almost surely, 2^674250385 is an apocalyptic number.

It is an amenable number.

674250385 is a deficient number, since it is larger than the sum of its proper divisors (158553455).

674250385 is a wasteful number, since it uses less digits than its factorization.

674250385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28128.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 674250385 is about 25966.3317586447. The cubic root of 674250385 is about 876.8804771007.

The spelling of 674250385 in words is "six hundred seventy-four million, two hundred fifty thousand, three hundred eighty-five".