674420087 has 12 divisors (see below), whose sum is σ = 748035288. Its totient is φ = 603021600.

The previous prime is 674420081. The next prime is 674420093. The reversal of 674420087 is 780024476.

It is an interprime number because it is at equal distance from previous prime (674420081) and next prime (674420093).

It is not a de Polignac number, because 674420087 - 2¹⁰ = 674419063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 674420087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674420081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32693 + ... + 49169.

It is an arithmetic number, because the mean of its divisors is an integer number (62336274).

Almost surely, 2^674420087 is an apocalyptic number.

674420087 is a deficient number, since it is larger than the sum of its proper divisors (73615201).

674420087 is a wasteful number, since it uses less digits than its factorization.

674420087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16610 (or 16549 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 674420087 is about 25969.5992845481. The cubic root of 674420087 is about 876.9540382442.

The spelling of 674420087 in words is "six hundred seventy-four million, four hundred twenty thousand, eighty-seven".