1500072401 has 32 divisors (see below), whose sum is σ = 1712845440. Its totient is φ = 1305206784.

The previous prime is 1500072383. The next prime is 1500072403. The reversal of 1500072401 is 1042700051.

It is a cyclic number.

It is not a de Polignac number, because 1500072401 - 2⁶ = 1500072337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1500072403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2664146 + ... + 2664708.

It is an arithmetic number, because the mean of its divisors is an integer number (53526420).

Almost surely, 2^1500072401 is an apocalyptic number.

It is an amenable number.

1500072401 is a deficient number, since it is larger than the sum of its proper divisors (212773039).

1500072401 is a wasteful number, since it uses less digits than its factorization.

1500072401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1500072401 is about 38730.7681436865. The cubic root of 1500072401 is about 1144.7326596917.

Adding to 1500072401 its reverse (1042700051), we get a palindrome (2542772452).

The spelling of 1500072401 in words is "one billion, five hundred million, seventy-two thousand, four hundred one".