61290437 has 16 divisors (see below), whose sum is σ = 68405568. Its totient is φ = 54552960.

The previous prime is 61290433. The next prime is 61290479. The reversal of 61290437 is 73409216.

It is a cyclic number.

It is not a de Polignac number, because 61290437 - 2² = 61290433 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61290433) 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, 45737 + ... + 47057.

It is an arithmetic number, because the mean of its divisors is an integer number (4275348).

Almost surely, 2^61290437 is an apocalyptic number.

It is an amenable number.

61290437 is a deficient number, since it is larger than the sum of its proper divisors (7115131).

61290437 is a wasteful number, since it uses less digits than its factorization.

61290437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 61290437 is about 7828.8209201642. The cubic root of 61290437 is about 394.2734859019.

The spelling of 61290437 in words is "sixty-one million, two hundred ninety thousand, four hundred thirty-seven".