72669460 has 24 divisors (see below), whose sum is σ = 153024480. Its totient is φ = 28988064.

The previous prime is 72669451. The next prime is 72669461. The reversal of 72669460 is 6496627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72669461) 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 7 ways as a sum of consecutive naturals, for example, 2787 + ... + 12373.

It is an arithmetic number, because the mean of its divisors is an integer number (6376020).

Almost surely, 2^72669460 is an apocalyptic number.

It is an amenable number.

72669460 is an abundant number, since it is smaller than the sum of its proper divisors (80355020).

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

72669460 is a wasteful number, since it uses less digits than its factorization.

72669460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9975 (or 9973 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 72669460 is about 8524.6384087538. The cubic root of 72669460 is about 417.3021712065.

The spelling of 72669460 in words is "seventy-two million, six hundred sixty-nine thousand, four hundred sixty".