46721747 has 2 divisors, whose sum is σ = 46721748. Its totient is φ = 46721746.

The previous prime is 46721737. The next prime is 46721749. The reversal of 46721747 is 74712764.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 46721747 - 2⁶ = 46721683 is a prime.

Together with 46721749, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46721747.

It is not a weakly prime, because it can be changed into another prime (46721749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23360873 + 23360874.

It is an arithmetic number, because the mean of its divisors is an integer number (23360874).

Almost surely, 2^46721747 is an apocalyptic number.

46721747 is a deficient number, since it is larger than the sum of its proper divisors (1).

46721747 is an equidigital number, since it uses as much as digits as its factorization.

46721747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65856, while the sum is 38.

The square root of 46721747 is about 6835.3307893620. The cubic root of 46721747 is about 360.1690229961.

The spelling of 46721747 in words is "forty-six million, seven hundred twenty-one thousand, seven hundred forty-seven".