1345766574 has 16 divisors (see below), whose sum is σ = 2692310400. Its totient is φ = 448459320.

The previous prime is 1345766531. The next prime is 1345766579. The reversal of 1345766574 is 4756675431.

It is a happy number.

It is a super-2 number, since 2×1345766574² = 3622175343391394952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345766579) 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, 8524 + ... + 52575.

It is an arithmetic number, because the mean of its divisors is an integer number (168269400).

Almost surely, 2^1345766574 is an apocalyptic number.

1345766574 is an abundant number, since it is smaller than the sum of its proper divisors (1346543826).

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

1345766574 is a wasteful number, since it uses less digits than its factorization.

1345766574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64775.

The product of its digits is 2116800, while the sum is 48.

The square root of 1345766574 is about 36684.6912757897. The cubic root of 1345766574 is about 1104.0529751018.

The spelling of 1345766574 in words is "one billion, three hundred forty-five million, seven hundred sixty-six thousand, five hundred seventy-four".