61037406 has 24 divisors (see below), whose sum is σ = 132579720. Its totient is φ = 20294736.

The previous prime is 61037387. The next prime is 61037411. The reversal of 61037406 is 60473016.

61037406 = 153² + 154² + ... + 571².

61037406 is a `hidden beast` number, since 610 + 3 + 7 + 40 + 6 = 666.

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 61037406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3496 + ... + 11588.

It is an arithmetic number, because the mean of its divisors is an integer number (5524155).

Almost surely, 2^61037406 is an apocalyptic number.

61037406 is an abundant number, since it is smaller than the sum of its proper divisors (71542314).

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

61037406 is a wasteful number, since it uses less digits than its factorization.

61037406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8520 (or 8517 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 61037406 is about 7812.6439826732. The cubic root of 61037406 is about 393.7301655920.

The spelling of 61037406 in words is "sixty-one million, thirty-seven thousand, four hundred six".