61363973 has 8 divisors (see below), whose sum is σ = 69102336. Its totient is φ = 53985600.

The previous prime is 61363969. The next prime is 61363979. The reversal of 61363973 is 37936316.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61363973 - 2² = 61363969 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 (61363979) 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, 89636 + ... + 90317.

It is an arithmetic number, because the mean of its divisors is an integer number (8637792).

Almost surely, 2^61363973 is an apocalyptic number.

It is an amenable number.

61363973 is a deficient number, since it is larger than the sum of its proper divisors (7738363).

61363973 is a wasteful number, since it uses less digits than its factorization.

61363973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179995.

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

The square root of 61363973 is about 7833.5160049623. The cubic root of 61363973 is about 394.4311054200.

The spelling of 61363973 in words is "sixty-one million, three hundred sixty-three thousand, nine hundred seventy-three".