61406694 has 16 divisors (see below), whose sum is σ = 136459440. Its totient is φ = 20468880.

The previous prime is 61406677. The next prime is 61406699. The reversal of 61406694 is 49660416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61406699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568527 + ... + 568634.

It is an arithmetic number, because the mean of its divisors is an integer number (8528715).

Almost surely, 2^61406694 is an apocalyptic number.

61406694 is an abundant number, since it is smaller than the sum of its proper divisors (75052746).

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

61406694 is a wasteful number, since it uses less digits than its factorization.

61406694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137172 (or 1137166 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 61406694 is about 7836.2423392848. The cubic root of 61406694 is about 394.5226172174.

The spelling of 61406694 in words is "sixty-one million, four hundred six thousand, six hundred ninety-four".