47390237 has 8 divisors (see below), whose sum is σ = 52819200. Its totient is φ = 42254784.

The previous prime is 47390221. The next prime is 47390251. The reversal of 47390237 is 73209374.

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

It is not a de Polignac number, because 47390237 - 2⁴ = 47390221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47390197 and 47390206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47390267) 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, 73037 + ... + 73682.

It is an arithmetic number, because the mean of its divisors is an integer number (6602400).

Almost surely, 2^47390237 is an apocalyptic number.

It is an amenable number.

47390237 is a deficient number, since it is larger than the sum of its proper divisors (5428963).

47390237 is a wasteful number, since it uses less digits than its factorization.

47390237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146755.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 47390237 is about 6884.0567255071. The cubic root of 47390237 is about 361.8786489252.

It can be divided in two parts, 47390 and 237, that multiplied together give a triangular number (11231430 = T₄₇₃₉).

The spelling of 47390237 in words is "forty-seven million, three hundred ninety thousand, two hundred thirty-seven".