40747234 has 16 divisors (see below), whose sum is σ = 67232736. Its totient is φ = 18520260.

The previous prime is 40747219. The next prime is 40747243. The reversal of 40747234 is 43274704.

It is a junction number, because it is equal to n+sod(n) for n = 40747196 and 40747205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4992 + ... + 10315.

It is an arithmetic number, because the mean of its divisors is an integer number (4202046).

Almost surely, 2^40747234 is an apocalyptic number.

40747234 is a deficient number, since it is larger than the sum of its proper divisors (26485502).

40747234 is a wasteful number, since it uses less digits than its factorization.

40747234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15342 (or 15320 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 40747234 is about 6383.3560138849. The cubic root of 40747234 is about 344.1116513816. Note that the first 3 decimals are identical.

The spelling of 40747234 in words is "forty million, seven hundred forty-seven thousand, two hundred thirty-four".