46692781 has 2 divisors, whose sum is σ = 46692782. Its totient is φ = 46692780.

The previous prime is 46692749. The next prime is 46692787. The reversal of 46692781 is 18729664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29800681 + 16892100 = 5459^2 + 4110^2 .

It is a cyclic number.

It is not a de Polignac number, because 46692781 - 2⁵ = 46692749 is a prime.

It is a super-2 number, since 2×46692781² = 4360431595027922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46692787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23346390 + 23346391.

It is an arithmetic number, because the mean of its divisors is an integer number (23346391).

Almost surely, 2^46692781 is an apocalyptic number.

It is an amenable number.

46692781 is a deficient number, since it is larger than the sum of its proper divisors (1).

46692781 is an equidigital number, since it uses as much as digits as its factorization.

46692781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 46692781 is about 6833.2116168022. The cubic root of 46692781 is about 360.0945764888.

The spelling of 46692781 in words is "forty-six million, six hundred ninety-two thousand, seven hundred eighty-one".