1074779491 has 8 divisors (see below), whose sum is σ = 1138317840. Its totient is φ = 1011276288.

The previous prime is 1074779483. The next prime is 1074779501. The reversal of 1074779491 is 1949774701.

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 1074779491 - 2³ = 1074779483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1074779891) 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, 79755 + ... + 92251.

It is an arithmetic number, because the mean of its divisors is an integer number (142289730).

Almost surely, 2^1074779491 is an apocalyptic number.

1074779491 is a deficient number, since it is larger than the sum of its proper divisors (63538349).

1074779491 is a wasteful number, since it uses less digits than its factorization.

1074779491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17573.

The product of its (nonzero) digits is 444528, while the sum is 49.

The square root of 1074779491 is about 32783.8297183230. The cubic root of 1074779491 is about 1024.3297592517.

The spelling of 1074779491 in words is "one billion, seventy-four million, seven hundred seventy-nine thousand, four hundred ninety-one".