27464740 has 24 divisors (see below), whose sum is σ = 59666040. Its totient is φ = 10606848.

The previous prime is 27464699. The next prime is 27464743. The reversal of 27464740 is 4746472.

It can be written as a sum of positive squares in 4 ways, for example, as 153664 + 27311076 = 392^2 + 5226^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27464696 and 27464705.

It is not an unprimeable number, because it can be changed into a prime (27464743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23097 + ... + 24256.

It is an arithmetic number, because the mean of its divisors is an integer number (2486085).

Almost surely, 2^27464740 is an apocalyptic number.

27464740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27464740 is an abundant number, since it is smaller than the sum of its proper divisors (32201300).

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

27464740 is a wasteful number, since it uses less digits than its factorization.

27464740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47391 (or 47389 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 27464740 is about 5240.6812534250. The cubic root of 27464740 is about 301.7114768486.

The spelling of 27464740 in words is "twenty-seven million, four hundred sixty-four thousand, seven hundred forty".