1490779674 has 32 divisors (see below), whose sum is σ = 3507719040. Its totient is φ = 467695296.

The previous prime is 1490779669. The next prime is 1490779723. The reversal of 1490779674 is 4769770941.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1490779674.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 811054 + ... + 812889.

It is an arithmetic number, because the mean of its divisors is an integer number (109616220).

Almost surely, 2^1490779674 is an apocalyptic number.

1490779674 is an abundant number, since it is smaller than the sum of its proper divisors (2016939366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1490779674 is a wasteful number, since it uses less digits than its factorization.

1490779674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623971 (or 1623965 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The square root of 1490779674 is about 38610.6160790009. The cubic root of 1490779674 is about 1142.3639450656.

The spelling of 1490779674 in words is "one billion, four hundred ninety million, seven hundred seventy-nine thousand, six hundred seventy-four".