15040761 has 16 divisors (see below), whose sum is σ = 21196800. Its totient is φ = 9460368.

The previous prime is 15040747. The next prime is 15040783. The reversal of 15040761 is 16704051.

15040761 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15040761 - 2⁷ = 15040633 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15040721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20560 + ... + 21278.

It is an arithmetic number, because the mean of its divisors is an integer number (1324800).

Almost surely, 2^15040761 is an apocalyptic number.

It is an amenable number.

15040761 is a deficient number, since it is larger than the sum of its proper divisors (6156039).

15040761 is a wasteful number, since it uses less digits than its factorization.

15040761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 15040761 is about 3878.2419986380. The cubic root of 15040761 is about 246.8443948815.

The spelling of 15040761 in words is "fifteen million, forty thousand, seven hundred sixty-one".