46420457 has 4 divisors (see below), whose sum is σ = 46434180. Its totient is φ = 46406736.

The previous prime is 46420427. The next prime is 46420469. The reversal of 46420457 is 75402464.

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 24245776 + 22174681 = 4924^2 + 4709^2 .

It is a cyclic number.

It is not a de Polignac number, because 46420457 - 2⁶ = 46420393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46420427) 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, 2219 + ... + 9887.

It is an arithmetic number, because the mean of its divisors is an integer number (11608545).

Almost surely, 2^46420457 is an apocalyptic number.

It is an amenable number.

46420457 is a deficient number, since it is larger than the sum of its proper divisors (13723).

46420457 is an equidigital number, since it uses as much as digits as its factorization.

46420457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13722.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 46420457 is about 6813.2559764036. The cubic root of 46420457 is about 359.3931571620.

The spelling of 46420457 in words is "forty-six million, four hundred twenty thousand, four hundred fifty-seven".