1173073456 has 20 divisors (see below), whose sum is σ = 2334258832. Its totient is φ = 570684096.

The previous prime is 1173073441. The next prime is 1173073463. The reversal of 1173073456 is 6543703711.

It is a super-2 number, since 2×1173073456² = 2752202666343567872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990180 + ... + 991363.

Almost surely, 2^1173073456 is an apocalyptic number.

1173073456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1173073456 is a deficient number, since it is larger than the sum of its proper divisors (1161185376).

1173073456 is a wasteful number, since it uses less digits than its factorization.

1173073456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981588 (or 1981582 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 1173073456 is about 34250.1599412324. The cubic root of 1173073456 is about 1054.6501107569.

The spelling of 1173073456 in words is "one billion, one hundred seventy-three million, seventy-three thousand, four hundred fifty-six".