674346465 has 80 divisors (see below), whose sum is σ = 1309448448. Its totient is φ = 330044544.

The previous prime is 674346457. The next prime is 674346467. The reversal of 674346465 is 564643476.

It is a happy number.

It is not a de Polignac number, because 674346465 - 2³ = 674346457 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 674346465.

It is not an unprimeable number, because it can be changed into a prime (674346467) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1384452 + ... + 1384938.

Almost surely, 2^674346465 is an apocalyptic number.

674346465 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

674346465 is a deficient number, since it is larger than the sum of its proper divisors (635101983).

674346465 is a wasteful number, since it uses less digits than its factorization.

674346465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 771 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 45.

The square root of 674346465 is about 25968.1817807870. The cubic root of 674346465 is about 876.9221266504.

The spelling of 674346465 in words is "six hundred seventy-four million, three hundred forty-six thousand, four hundred sixty-five".