674276445 has 24 divisors (see below), whose sum is σ = 1169363832. Its totient is φ = 359424000.

The previous prime is 674276437. The next prime is 674276467. The reversal of 674276445 is 544672476.

It can be written as a sum of positive squares in 4 ways, for example, as 251001 + 674025444 = 501^2 + 25962^2 .

It is not a de Polignac number, because 674276445 - 2³ = 674276437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 674276445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138045 + ... + 142845.

It is an arithmetic number, because the mean of its divisors is an integer number (48723493).

Almost surely, 2^674276445 is an apocalyptic number.

It is an amenable number.

674276445 is a deficient number, since it is larger than the sum of its proper divisors (495087387).

674276445 is a wasteful number, since it uses less digits than its factorization.

674276445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7933 (or 7930 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The square root of 674276445 is about 25966.8335574440. The cubic root of 674276445 is about 876.8917741952.

The spelling of 674276445 in words is "six hundred seventy-four million, two hundred seventy-six thousand, four hundred forty-five".