47072757 has 8 divisors (see below), whose sum is σ = 63033984. Its totient is φ = 31246688.

The previous prime is 47072741. The next prime is 47072761. The reversal of 47072757 is 75727074.

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

It is a cyclic number.

It is not a de Polignac number, because 47072757 - 2⁴ = 47072741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47072717) 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, 32973 + ... + 34370.

It is an arithmetic number, because the mean of its divisors is an integer number (7879248).

Almost surely, 2^47072757 is an apocalyptic number.

It is an amenable number.

47072757 is a deficient number, since it is larger than the sum of its proper divisors (15961227).

47072757 is a wasteful number, since it uses less digits than its factorization.

47072757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67579.

The product of its (nonzero) digits is 96040, while the sum is 39.

The square root of 47072757 is about 6860.9588979967. The cubic root of 47072757 is about 361.0687299918.

The spelling of 47072757 in words is "forty-seven million, seventy-two thousand, seven hundred fifty-seven".