72403010 has 8 divisors (see below), whose sum is σ = 130325436. Its totient is φ = 28961200.

The previous prime is 72402991. The next prime is 72403027. The reversal of 72403010 is 1030427.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 72063121 + 339889 = 8489^2 + 583^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 72403010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3620141 + ... + 3620160.

Almost surely, 2^72403010 is an apocalyptic number.

72403010 is a deficient number, since it is larger than the sum of its proper divisors (57922426).

72403010 is a wasteful number, since it uses less digits than its factorization.

72403010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7240308.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 72403010 is about 8508.9958279459. The cubic root of 72403010 is about 416.7915195623.

Adding to 72403010 its reverse (1030427), we get a palindrome (73433437).

The spelling of 72403010 in words is "seventy-two million, four hundred three thousand, ten".