1402774491 has 8 divisors (see below), whose sum is σ = 1880815680. Its totient is φ = 929958152.

The previous prime is 1402774487. The next prime is 1402774507. The reversal of 1402774491 is 1944772041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1402774491 - 2² = 1402774487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1402774391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1305585 + ... + 1306658.

It is an arithmetic number, because the mean of its divisors is an integer number (235101960).

Almost surely, 2^1402774491 is an apocalyptic number.

1402774491 is a deficient number, since it is larger than the sum of its proper divisors (478041189).

1402774491 is a wasteful number, since it uses less digits than its factorization.

1402774491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612425.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 1402774491 is about 37453.6312124739. The cubic root of 1402774491 is about 1119.4274526319.

The spelling of 1402774491 in words is "one billion, four hundred two million, seven hundred seventy-four thousand, four hundred ninety-one".