61274006 has 4 divisors (see below), whose sum is σ = 91911012. Its totient is φ = 30637002.

The previous prime is 61273999. The next prime is 61274021. The reversal of 61274006 is 60047216.

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

It is a super-2 number, since 2×61274006² = 7509007622576072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 15318500 + ... + 15318503.

It is an arithmetic number, because the mean of its divisors is an integer number (22977753).

Almost surely, 2^61274006 is an apocalyptic number.

61274006 is a deficient number, since it is larger than the sum of its proper divisors (30637006).

61274006 is a wasteful number, since it uses less digits than its factorization.

61274006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30637005.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 61274006 is about 7827.7714580844. The cubic root of 61274006 is about 394.2382499175.

The spelling of 61274006 in words is "sixty-one million, two hundred seventy-four thousand, six".