61406676 has 36 divisors (see below), whose sum is σ = 156656500. Its totient is φ = 20279808.

The previous prime is 61406627. The next prime is 61406677. The reversal of 61406676 is 67660416.

It can be written as a sum of positive squares in 2 ways, for example, as 25765776 + 35640900 = 5076^2 + 5970^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 61406676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61406677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3901 + ... + 11748.

Almost surely, 2^61406676 is an apocalyptic number.

It is an amenable number.

61406676 is an abundant number, since it is smaller than the sum of its proper divisors (95249824).

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

61406676 is a wasteful number, since it uses less digits than its factorization.

61406676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15768 (or 15763 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 61406676 is about 7836.2411907751. The cubic root of 61406676 is about 394.5225786689.

The spelling of 61406676 in words is "sixty-one million, four hundred six thousand, six hundred seventy-six".