61973746 has 4 divisors (see below), whose sum is σ = 92960622. Its totient is φ = 30986872.

The previous prime is 61973713. The next prime is 61973749. The reversal of 61973746 is 64737916.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42393121 + 19580625 = 6511^2 + 4425^2 .

It is not an unprimeable number, because it can be changed into a prime (61973749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15493435 + ... + 15493438.

Almost surely, 2^61973746 is an apocalyptic number.

61973746 is a deficient number, since it is larger than the sum of its proper divisors (30986876).

61973746 is a wasteful number, since it uses less digits than its factorization.

61973746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30986875.

The product of its digits is 190512, while the sum is 43.

The square root of 61973746 is about 7872.3405668200. The cubic root of 61973746 is about 395.7332872278.

The spelling of 61973746 in words is "sixty-one million, nine hundred seventy-three thousand, seven hundred forty-six".