874290451 has 4 divisors (see below), whose sum is σ = 874355904. Its totient is φ = 874225000.

The previous prime is 874290449. The next prime is 874290457. The reversal of 874290451 is 154092478.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a 3-Lehmer number, since φ(874290451) divides (874290451-1)³.

It is a cyclic number.

It is not a de Polignac number, because 874290451 - 2¹ = 874290449 is a prime.

It is a Smith number, since the sum of its digits (40) 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 not an unprimeable number, because it can be changed into a prime (874290457) 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, 4675 + ... + 42076.

It is an arithmetic number, because the mean of its divisors is an integer number (218588976).

Almost surely, 2^874290451 is an apocalyptic number.

874290451 is the 18701-st heptagonal number.

874290451 is a deficient number, since it is larger than the sum of its proper divisors (65453).

874290451 is a wasteful number, since it uses less digits than its factorization.

874290451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65452.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 874290451 is about 29568.4029159507. The cubic root of 874290451 is about 956.2069846315.

The spelling of 874290451 in words is "eight hundred seventy-four million, two hundred ninety thousand, four hundred fifty-one".