46420720 has 20 divisors (see below), whose sum is σ = 107928360. Its totient is φ = 18568256.

The previous prime is 46420691. The next prime is 46420721. The reversal of 46420720 is 2702464.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46420721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290050 + ... + 290209.

It is an arithmetic number, because the mean of its divisors is an integer number (5396418).

Almost surely, 2^46420720 is an apocalyptic number.

46420720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46420720 is an abundant number, since it is smaller than the sum of its proper divisors (61507640).

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

46420720 is a wasteful number, since it uses less digits than its factorization.

46420720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580272 (or 580266 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 46420720 is about 6813.2752769868. The cubic root of 46420720 is about 359.3938358873.

The spelling of 46420720 in words is "forty-six million, four hundred twenty thousand, seven hundred twenty".