1146783720 has 64 divisors (see below), whose sum is σ = 3443711040. Its totient is φ = 305510400.

The previous prime is 1146783697. The next prime is 1146783733. The reversal of 1146783720 is 273876411.

It is a super-2 number, since 2×1146783720² = 2630225800914076800, which contains 22 as substring.

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, 136440 + ... + 144600.

It is an arithmetic number, because the mean of its divisors is an integer number (53807985).

Almost surely, 2^1146783720 is an apocalyptic number.

1146783720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1146783720 is an abundant number, since it is smaller than the sum of its proper divisors (2296927320).

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

1146783720 is a wasteful number, since it uses less digits than its factorization.

1146783720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9346 (or 9342 counting only the distinct ones).

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

The square root of 1146783720 is about 33864.1952510317. The cubic root of 1146783720 is about 1046.7119273074.

The spelling of 1146783720 in words is "one billion, one hundred forty-six million, seven hundred eighty-three thousand, seven hundred twenty".