674334540 has 72 divisors (see below), whose sum is σ = 2231440848. Its totient is φ = 163474560.

The previous prime is 674334533. The next prime is 674334571. The reversal of 674334540 is 45433476.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 674334495 and 674334504.

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, 168307 + ... + 172266.

It is an arithmetic number, because the mean of its divisors is an integer number (30992234).

Almost surely, 2^674334540 is an apocalyptic number.

674334540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

674334540 is an abundant number, since it is smaller than the sum of its proper divisors (1557106308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

674334540 is a wasteful number, since it uses less digits than its factorization.

674334540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340599 (or 340594 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The square root of 674334540 is about 25967.9521718598. The cubic root of 674334540 is about 876.9169575182.

The spelling of 674334540 in words is "six hundred seventy-four million, three hundred thirty-four thousand, five hundred forty".