47372077 has 2 divisors, whose sum is σ = 47372078. Its totient is φ = 47372076.

The previous prime is 47372057. The next prime is 47372137. The reversal of 47372077 is 77027374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28933641 + 18438436 = 5379^2 + 4294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47372077 is a prime.

It is a super-2 number, since 2×47372077² = 4488227358587858, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47372057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23686038 + 23686039.

It is an arithmetic number, because the mean of its divisors is an integer number (23686039).

Almost surely, 2^47372077 is an apocalyptic number.

It is an amenable number.

47372077 is a deficient number, since it is larger than the sum of its proper divisors (1).

47372077 is an equidigital number, since it uses as much as digits as its factorization.

47372077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57624, while the sum is 37.

The square root of 47372077 is about 6882.7376094110. The cubic root of 47372077 is about 361.8324188977.

The spelling of 47372077 in words is "forty-seven million, three hundred seventy-two thousand, seventy-seven".