272603640 has 64 divisors (see below), whose sum is σ = 860860800. Its totient is φ = 68867712.

The previous prime is 272603633. The next prime is 272603647. The reversal of 272603640 is 46306272.

It is an interprime number because it is at equal distance from previous prime (272603633) and next prime (272603647).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 272603598 and 272603607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272603647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57502 + ... + 62061.

It is an arithmetic number, because the mean of its divisors is an integer number (13450950).

Almost surely, 2^272603640 is an apocalyptic number.

272603640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272603640 is an abundant number, since it is smaller than the sum of its proper divisors (588257160).

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

272603640 is a wasteful number, since it uses less digits than its factorization.

272603640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119596 (or 119592 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 272603640 is about 16510.7128858811. The cubic root of 272603640 is about 648.4013098668.

The spelling of 272603640 in words is "two hundred seventy-two million, six hundred three thousand, six hundred forty".