46720897 has 4 divisors (see below), whose sum is σ = 46734660. Its totient is φ = 46707136.

The previous prime is 46720873. The next prime is 46720907. The reversal of 46720897 is 79802764.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 19722481 + 26998416 = 4441^2 + 5196^2 .

It is a cyclic number.

It is not a de Polignac number, because 46720897 - 2¹¹ = 46718849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46720847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2253 + ... + 9925.

It is an arithmetic number, because the mean of its divisors is an integer number (11683665).

Almost surely, 2^46720897 is an apocalyptic number.

It is an amenable number.

46720897 is a deficient number, since it is larger than the sum of its proper divisors (13763).

46720897 is an equidigital number, since it uses as much as digits as its factorization.

46720897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13762.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 46720897 is about 6835.2686121322. The cubic root of 46720897 is about 360.1668388203.

The spelling of 46720897 in words is "forty-six million, seven hundred twenty thousand, eight hundred ninety-seven".