676514749 has 4 divisors (see below), whose sum is σ = 676793664. Its totient is φ = 676235836.

The previous prime is 676514701. The next prime is 676514753. The reversal of 676514749 is 947415676.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 676514749 - 2²³ = 668126141 is a prime.

It is a super-2 number, since 2×676514749² = 915344411229066002, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676514789) 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, 135787 + ... + 140680.

It is an arithmetic number, because the mean of its divisors is an integer number (169198416).

Almost surely, 2^676514749 is an apocalyptic number.

It is an amenable number.

676514749 is a deficient number, since it is larger than the sum of its proper divisors (278915).

676514749 is a wasteful number, since it uses less digits than its factorization.

676514749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278914.

The product of its digits is 1270080, while the sum is 49.

The square root of 676514749 is about 26009.8971355136. The cubic root of 676514749 is about 877.8610020499.

The spelling of 676514749 in words is "six hundred seventy-six million, five hundred fourteen thousand, seven hundred forty-nine".