61406504 has 32 divisors (see below), whose sum is σ = 122135040. Its totient is φ = 28881600.

The previous prime is 61406503. The next prime is 61406507. The reversal of 61406504 is 40560416.

It is a happy number.

It is a super-3 number, since 3×61406504³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (61406503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8489 + ... + 13959.

It is an arithmetic number, because the mean of its divisors is an integer number (3816720).

Almost surely, 2^61406504 is an apocalyptic number.

It is an amenable number.

61406504 is a deficient number, since it is larger than the sum of its proper divisors (60728536).

61406504 is a wasteful number, since it uses less digits than its factorization.

61406504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561 (or 5557 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 61406504 is about 7836.2302161180. The cubic root of 61406504 is about 394.5222103162.

The spelling of 61406504 in words is "sixty-one million, four hundred six thousand, five hundred four".