61693347 has 8 divisors (see below), whose sum is σ = 84170944. Its totient is φ = 40172328.

The previous prime is 61693339. The next prime is 61693427. The reversal of 61693347 is 74339616.

61693347 is nontrivially palindromic in base 16.

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

It is not a de Polignac number, because 61693347 - 2³ = 61693339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61693547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238993 + ... + 239250.

It is an arithmetic number, because the mean of its divisors is an integer number (10521368).

Almost surely, 2^61693347 is an apocalyptic number.

61693347 is a deficient number, since it is larger than the sum of its proper divisors (22477597).

61693347 is a wasteful number, since it uses less digits than its factorization.

61693347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478289.

The product of its digits is 81648, while the sum is 39.

The square root of 61693347 is about 7854.5112515038. The cubic root of 61693347 is about 395.1355556753.

The spelling of 61693347 in words is "sixty-one million, six hundred ninety-three thousand, three hundred forty-seven".