61947038 has 4 divisors (see below), whose sum is σ = 92920560. Its totient is φ = 30973518.

The previous prime is 61947029. The next prime is 61947059. The reversal of 61947038 is 83074916.

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

It is a junction number, because it is equal to n+sod(n) for n = 61946992 and 61947010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15486758 + ... + 15486761.

It is an arithmetic number, because the mean of its divisors is an integer number (23230140).

Almost surely, 2^61947038 is an apocalyptic number.

61947038 is a deficient number, since it is larger than the sum of its proper divisors (30973522).

61947038 is a wasteful number, since it uses less digits than its factorization.

61947038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30973521.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 61947038 is about 7870.6440651322. The cubic root of 61947038 is about 395.6764310913.

The spelling of 61947038 in words is "sixty-one million, nine hundred forty-seven thousand, thirty-eight".