674475551 has 4 divisors (see below), whose sum is σ = 685907400. Its totient is φ = 663043704.

The previous prime is 674475517. The next prime is 674475569. The reversal of 674475551 is 155574476.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 674475551 - 2²² = 670281247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674475751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5715836 + ... + 5715953.

It is an arithmetic number, because the mean of its divisors is an integer number (171476850).

Almost surely, 2^674475551 is an apocalyptic number.

674475551 is a deficient number, since it is larger than the sum of its proper divisors (11431849).

674475551 is a wasteful number, since it uses less digits than its factorization.

674475551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11431848.

The product of its digits is 588000, while the sum is 44.

The square root of 674475551 is about 25970.6671265873. The cubic root of 674475551 is about 876.9780776851.

The spelling of 674475551 in words is "six hundred seventy-four million, four hundred seventy-five thousand, five hundred fifty-one".