61266402 has 32 divisors (see below), whose sum is σ = 144158400. Its totient is φ = 19220544.

The previous prime is 61266391. The next prime is 61266421. The reversal of 61266402 is 20466216.

It is a happy number.

61266402 is a `hidden beast` number, since 6 + 12 + 6 + 640 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32452 + ... + 34287.

It is an arithmetic number, because the mean of its divisors is an integer number (4504950).

Almost surely, 2^61266402 is an apocalyptic number.

61266402 is an abundant number, since it is smaller than the sum of its proper divisors (82891998).

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

61266402 is a wasteful number, since it uses less digits than its factorization.

61266402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66767 (or 66761 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 61266402 is about 7827.2857364479. The cubic root of 61266402 is about 394.2219411439.

The spelling of 61266402 in words is "sixty-one million, two hundred sixty-six thousand, four hundred two".