40761523 has 4 divisors (see below), whose sum is σ = 44467128. Its totient is φ = 37055920.

The previous prime is 40761509. The next prime is 40761533. The reversal of 40761523 is 32516704.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40761523 - 2¹⁷ = 40630451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40761491 and 40761500.

It is not an unprimeable number, because it can be changed into a prime (40761533) 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, 1852786 + ... + 1852807.

It is an arithmetic number, because the mean of its divisors is an integer number (11116782).

Almost surely, 2^40761523 is an apocalyptic number.

40761523 is a deficient number, since it is larger than the sum of its proper divisors (3705605).

40761523 is a wasteful number, since it uses less digits than its factorization.

40761523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3705604.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 40761523 is about 6384.4751546231. The cubic root of 40761523 is about 344.1518703630.

The spelling of 40761523 in words is "forty million, seven hundred sixty-one thousand, five hundred twenty-three".