46172772 has 18 divisors (see below), whose sum is σ = 116714598. Its totient is φ = 15390912.

The previous prime is 46172771. The next prime is 46172779. The reversal of 46172772 is 27727164.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 41912676 + 4260096 = 6474^2 + 2064^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1282577 = 46172772 / (4 + 6 + 1 + 7 + 2 + 7 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46172771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 641253 + ... + 641324.

Almost surely, 2^46172772 is an apocalyptic number.

It is an amenable number.

46172772 is an abundant number, since it is smaller than the sum of its proper divisors (70541826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46172772 is a wasteful number, since it uses less digits than its factorization.

46172772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282587 (or 1282582 counting only the distinct ones).

The product of its digits is 32928, while the sum is 36.

The square root of 46172772 is about 6795.0549666651. The cubic root of 46172772 is about 358.7528138602.

The spelling of 46172772 in words is "forty-six million, one hundred seventy-two thousand, seven hundred seventy-two".