1799557074 has 40 divisors (see below), whose sum is σ = 4608392448. Its totient is φ = 514158840.

The previous prime is 1799557073. The next prime is 1799557129. The reversal of 1799557074 is 4707559971.

It is a happy number.

1799557074 is a `hidden beast` number, since 17 + 9 + 9 + 557 + 0 + 74 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1799557074.

It is not an unprimeable number, because it can be changed into a prime (1799557073) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 792322 + ... + 794589.

Almost surely, 2^1799557074 is an apocalyptic number.

1799557074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1799557074 is an abundant number, since it is smaller than the sum of its proper divisors (2808835374).

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

1799557074 is a wasteful number, since it uses less digits than its factorization.

1799557074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586932 (or 1586923 counting only the distinct ones).

The product of its (nonzero) digits is 2778300, while the sum is 54.

The square root of 1799557074 is about 42421.1866170667. The cubic root of 1799557074 is about 1216.3406144332.

The spelling of 1799557074 in words is "one billion, seven hundred ninety-nine million, five hundred fifty-seven thousand, seventy-four".