46721280 has 144 divisors (see below), whose sum is σ = 155998080. Its totient is φ = 11917312.

The previous prime is 46721273. The next prime is 46721293. The reversal of 46721280 is 8212764.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 460 × 276 × 368.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2031349 + ... + 2031371.

It is an arithmetic number, because the mean of its divisors is an integer number (1083320).

Almost surely, 2^46721280 is an apocalyptic number.

46721280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46721280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77999040).

46721280 is an abundant number, since it is smaller than the sum of its proper divisors (109276800).

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

46721280 is an frugal number, since it uses more digits than its factorization.

46721280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 46721280 is about 6835.2966285305. The cubic root of 46721280 is about 360.1678229875.

The spelling of 46721280 in words is "forty-six million, seven hundred twenty-one thousand, two hundred eighty".