72627403 has 2 divisors, whose sum is σ = 72627404. Its totient is φ = 72627402.

The previous prime is 72627377. The next prime is 72627409. The reversal of 72627403 is 30472627.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (30472627) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72627403 is a prime.

It is not a weakly prime, because it can be changed into another prime (72627409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36313701 + 36313702.

It is an arithmetic number, because the mean of its divisors is an integer number (36313702).

Almost surely, 2^72627403 is an apocalyptic number.

72627403 is a deficient number, since it is larger than the sum of its proper divisors (1).

72627403 is an equidigital number, since it uses as much as digits as its factorization.

72627403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 72627403 is about 8522.1712608936. The cubic root of 72627403 is about 417.2216519887.

The spelling of 72627403 in words is "seventy-two million, six hundred twenty-seven thousand, four hundred three".