46719981 has 36 divisors (see below), whose sum is σ = 85647744. Its totient is φ = 24267600.

The previous prime is 46719979. The next prime is 46719989. The reversal of 46719981 is 18991764.

It is a happy number.

It is not a de Polignac number, because 46719981 - 2¹ = 46719979 is a prime.

It is a super-2 number, since 2×46719981² = 4365513249280722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46719989) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36 + ... + 9666.

It is an arithmetic number, because the mean of its divisors is an integer number (2379104).

Almost surely, 2^46719981 is an apocalyptic number.

It is an amenable number.

46719981 is a deficient number, since it is larger than the sum of its proper divisors (38927763).

46719981 is a wasteful number, since it uses less digits than its factorization.

46719981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9662 (or 9652 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 46719981 is about 6835.2016063903. The cubic root of 46719981 is about 360.1644850201.

It can be divided in two parts, 46 and 719981, that added together give a palindrome (720027).

The spelling of 46719981 in words is "forty-six million, seven hundred nineteen thousand, nine hundred eighty-one".