61457714 has 4 divisors (see below), whose sum is σ = 92186574. Its totient is φ = 30728856.

The previous prime is 61457689. The next prime is 61457719. The reversal of 61457714 is 41775416.

It is a happy number.

61457714 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 38254225 + 23203489 = 6185^2 + 4817^2 .

It is a super-2 number, since 2×61457714² = 7554101220211592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61457719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15364427 + ... + 15364430.

Almost surely, 2^61457714 is an apocalyptic number.

61457714 is a deficient number, since it is larger than the sum of its proper divisors (30728860).

61457714 is a wasteful number, since it uses less digits than its factorization.

61457714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30728859.

The product of its digits is 23520, while the sum is 35.

The square root of 61457714 is about 7839.4970501940. The cubic root of 61457714 is about 394.6318505412.

The spelling of 61457714 in words is "sixty-one million, four hundred fifty-seven thousand, seven hundred fourteen".