15074740 has 12 divisors (see below), whose sum is σ = 31656996. Its totient is φ = 6029888.

The previous prime is 15074723. The next prime is 15074743. The reversal of 15074740 is 4747051.

It can be written as a sum of positive squares in 2 ways, for example, as 3541924 + 11532816 = 1882^2 + 3396^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15074699 and 15074708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15074743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376849 + ... + 376888.

It is an arithmetic number, because the mean of its divisors is an integer number (2638083).

Almost surely, 2^15074740 is an apocalyptic number.

15074740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15074740 is an abundant number, since it is smaller than the sum of its proper divisors (16582256).

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

15074740 is a wasteful number, since it uses less digits than its factorization.

15074740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753746 (or 753744 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 15074740 is about 3882.6202492647. The cubic root of 15074740 is about 247.0301394158.

The spelling of 15074740 in words is "fifteen million, seventy-four thousand, seven hundred forty".