674661340272 has 40 divisors (see below), whose sum is σ = 1743129932544. Its totient is φ = 224854235584.

The previous prime is 674661340261. The next prime is 674661340357. The reversal of 674661340272 is 272043166476.

It is a super-2 number, since 2×674661340272² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694578 + ... + 1353425.

Almost surely, 2^674661340272 is an apocalyptic number.

It is an amenable number.

674661340272 is an abundant number, since it is smaller than the sum of its proper divisors (1068468592272).

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

674661340272 is a wasteful number, since it uses less digits than its factorization.

674661340272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054877 (or 2054871 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 48.

The spelling of 674661340272 in words is "six hundred seventy-four billion, six hundred sixty-one million, three hundred forty thousand, two hundred seventy-two".