1504880761 has 12 divisors (see below), whose sum is σ = 1582404132. Its totient is φ = 1430091936.

The previous prime is 1504880753. The next prime is 1504880821. The reversal of 1504880761 is 1670884051.

It can be written as a sum of positive squares in 2 ways, for example, as 1183360000 + 321520761 = 34400^2 + 17931^2 .

It is not a de Polignac number, because 1504880761 - 2³ = 1504880753 is a prime.

It is a super-2 number, since 2×1504880761² = 4529332209655878242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1504280761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57415 + ... + 79411.

It is an arithmetic number, because the mean of its divisors is an integer number (131867011).

Almost surely, 2^1504880761 is an apocalyptic number.

It is an amenable number.

1504880761 is a deficient number, since it is larger than the sum of its proper divisors (77523371).

1504880761 is an equidigital number, since it uses as much as digits as its factorization.

1504880761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22120 (or 22077 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 1504880761 is about 38792.7926424484. The cubic root of 1504880761 is about 1145.9544709406.

The spelling of 1504880761 in words is "one billion, five hundred four million, eight hundred eighty thousand, seven hundred sixty-one".