46072381 has 16 divisors (see below), whose sum is σ = 49279104. Its totient is φ = 42983424.

The previous prime is 46072379. The next prime is 46072391. The reversal of 46072381 is 18327064.

It is a cyclic number.

It is not a de Polignac number, because 46072381 - 2¹ = 46072379 is a prime.

It is a super-2 number, since 2×46072381² = 4245328582018322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46072391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238621 + ... + 238813.

It is an arithmetic number, because the mean of its divisors is an integer number (3079944).

Almost surely, 2^46072381 is an apocalyptic number.

It is an amenable number.

46072381 is a deficient number, since it is larger than the sum of its proper divisors (3206723).

46072381 is a wasteful number, since it uses less digits than its factorization.

46072381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 46072381 is about 6787.6638838410. The cubic root of 46072381 is about 358.4926194788.

The spelling of 46072381 in words is "forty-six million, seventy-two thousand, three hundred eighty-one".