61462644 has 24 divisors (see below), whose sum is σ = 150961440. Its totient is φ = 19409184.

The previous prime is 61462637. The next prime is 61462679. The reversal of 61462644 is 44626416.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134559 + ... + 135014.

It is an arithmetic number, because the mean of its divisors is an integer number (6290060).

Almost surely, 2^61462644 is an apocalyptic number.

It is an amenable number.

61462644 is an abundant number, since it is smaller than the sum of its proper divisors (89498796).

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

61462644 is a wasteful number, since it uses less digits than its factorization.

61462644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269599 (or 269597 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The square root of 61462644 is about 7839.8114773252. The cubic root of 61462644 is about 394.6424024198.

The spelling of 61462644 in words is "sixty-one million, four hundred sixty-two thousand, six hundred forty-four".