46420731 has 24 divisors (see below), whose sum is σ = 76976640. Its totient is φ = 26406576.

The previous prime is 46420721. The next prime is 46420747. The reversal of 46420731 is 13702464.

It is not a de Polignac number, because 46420731 - 2¹³ = 46412539 is a prime.

It is a super-2 number, since 2×46420731² = 4309768533148722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 46420695 and 46420704.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13516 + ... + 16598.

It is an arithmetic number, because the mean of its divisors is an integer number (3207360).

Almost surely, 2^46420731 is an apocalyptic number.

46420731 is a deficient number, since it is larger than the sum of its proper divisors (30555909).

46420731 is a wasteful number, since it uses less digits than its factorization.

46420731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335 (or 3332 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 46420731 is about 6813.2760842344. The cubic root of 46420731 is about 359.3938642750.

The spelling of 46420731 in words is "forty-six million, four hundred twenty thousand, seven hundred thirty-one".