61693337 has 4 divisors (see below), whose sum is σ = 64375680. Its totient is φ = 59010996.

The previous prime is 61693297. The next prime is 61693339. The reversal of 61693337 is 73339616.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61693337 - 2⁶ = 61693273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61693337.

It is not an unprimeable number, because it can be changed into a prime (61693339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341137 + ... + 1341182.

It is an arithmetic number, because the mean of its divisors is an integer number (16093920).

Almost surely, 2^61693337 is an apocalyptic number.

It is an amenable number.

61693337 is a deficient number, since it is larger than the sum of its proper divisors (2682343).

61693337 is a wasteful number, since it uses less digits than its factorization.

61693337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682342.

The product of its digits is 61236, while the sum is 38.

The square root of 61693337 is about 7854.5106149269. The cubic root of 61693337 is about 395.1355343259.

The spelling of 61693337 in words is "sixty-one million, six hundred ninety-three thousand, three hundred thirty-seven".