61373307 has 8 divisors (see below), whose sum is σ = 82304784. Its totient is φ = 40678688.

The previous prime is 61373303. The next prime is 61373317. The reversal of 61373307 is 70337316.

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 61373307 - 2² = 61373303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61373303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58608 + ... + 59645.

It is an arithmetic number, because the mean of its divisors is an integer number (10288098).

Almost surely, 2^61373307 is an apocalyptic number.

61373307 is a deficient number, since it is larger than the sum of its proper divisors (20931477).

61373307 is a wasteful number, since it uses less digits than its factorization.

61373307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118429.

The product of its (nonzero) digits is 7938, while the sum is 30.

The square root of 61373307 is about 7834.1117556491. Note that the first 3 decimals coincide. The cubic root of 61373307 is about 394.4511032195.

It can be divided in two parts, 613 and 73307, that added together give a triangular number (73920 = T₃₈₄).

The spelling of 61373307 in words is "sixty-one million, three hundred seventy-three thousand, three hundred seven".