61457834 has 8 divisors (see below), whose sum is σ = 93082080. Its totient is φ = 30430476.

The previous prime is 61457831. The next prime is 61457849. The reversal of 61457834 is 43875416.

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

It is not an unprimeable number, because it can be changed into a prime (61457831) 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, 148964 + ... + 149375.

It is an arithmetic number, because the mean of its divisors is an integer number (11635260).

Almost surely, 2^61457834 is an apocalyptic number.

61457834 is a deficient number, since it is larger than the sum of its proper divisors (31624246).

61457834 is a wasteful number, since it uses less digits than its factorization.

61457834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298444.

The product of its digits is 80640, while the sum is 38.

The square root of 61457834 is about 7839.5047037425. The cubic root of 61457834 is about 394.6321073888.

The spelling of 61457834 in words is "sixty-one million, four hundred fifty-seven thousand, eight hundred thirty-four".