61476138 has 32 divisors (see below), whose sum is σ = 139950720. Its totient is φ = 19991520.

The previous prime is 61476119. The next prime is 61476139. The reversal of 61476138 is 83167416.

61476138 is a `hidden beast` number, since 614 + 7 + 6 + 1 + 38 = 666.

It is not an unprimeable number, because it can be changed into a prime (61476139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11670 + ... + 16097.

It is an arithmetic number, because the mean of its divisors is an integer number (4373460).

Almost surely, 2^61476138 is an apocalyptic number.

61476138 is an abundant number, since it is smaller than the sum of its proper divisors (78474582).

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

61476138 is a wasteful number, since it uses less digits than its factorization.

61476138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27819 (or 27813 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 61476138 is about 7840.6720375233. The cubic root of 61476138 is about 394.6712812886.

The spelling of 61476138 in words is "sixty-one million, four hundred seventy-six thousand, one hundred thirty-eight".