15000074 has 8 divisors (see below), whose sum is σ = 22597380. Its totient is φ = 7467616.

The previous prime is 15000067. The next prime is 15000079. The reversal of 15000074 is 47000051.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14010049 + 990025 = 3743^2 + 995^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15000079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15629 + ... + 16560.

Almost surely, 2^15000074 is an apocalyptic number.

15000074 is a deficient number, since it is larger than the sum of its proper divisors (7597306).

15000074 is a wasteful number, since it uses less digits than its factorization.

15000074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32424.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 15000074 is about 3872.9928995546. The cubic root of 15000074 is about 246.6216129873.

The spelling of 15000074 in words is "fifteen million, seventy-four", and thus it is an aban number.