374991773 has 4 divisors (see below), whose sum is σ = 403837308. Its totient is φ = 346146240.

The previous prime is 374991761. The next prime is 374991811. The reversal of 374991773 is 377199473.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 377199473 = 7 ⋅53885639.

It can be written as a sum of positive squares in 2 ways, for example, as 122722084 + 252269689 = 11078^2 + 15883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-374991773 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 (374990773) 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, 14422748 + ... + 14422773.

It is an arithmetic number, because the mean of its divisors is an integer number (100959327).

Almost surely, 2^374991773 is an apocalyptic number.

It is an amenable number.

374991773 is a deficient number, since it is larger than the sum of its proper divisors (28845535).

374991773 is a wasteful number, since it uses less digits than its factorization.

374991773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28845534.

The product of its digits is 1000188, while the sum is 50.

The square root of 374991773 is about 19364.7043096454. The cubic root of 374991773 is about 721.1195116097.

The spelling of 374991773 in words is "three hundred seventy-four million, nine hundred ninety-one thousand, seven hundred seventy-three".