61074723 has 4 divisors (see below), whose sum is σ = 81432968. Its totient is φ = 40716480.

The previous prime is 61074719. The next prime is 61074757. The reversal of 61074723 is 32747016.

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

It is not a de Polignac number, because 61074723 - 2² = 61074719 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (61074703) 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, 10179118 + ... + 10179123.

It is an arithmetic number, because the mean of its divisors is an integer number (20358242).

Almost surely, 2^61074723 is an apocalyptic number.

61074723 is a deficient number, since it is larger than the sum of its proper divisors (20358245).

61074723 is a wasteful number, since it uses less digits than its factorization.

61074723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20358244.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 61074723 is about 7815.0318617393. The cubic root of 61074723 is about 393.8103887222.

The spelling of 61074723 in words is "sixty-one million, seventy-four thousand, seven hundred twenty-three".