40763397 has 4 divisors (see below), whose sum is σ = 54351200. Its totient is φ = 27175596.

The previous prime is 40763369. The next prime is 40763407. The reversal of 40763397 is 79336704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40763397 - 2¹⁴ = 40747013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40764397) 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, 6793897 + ... + 6793902.

It is an arithmetic number, because the mean of its divisors is an integer number (13587800).

Almost surely, 2^40763397 is an apocalyptic number.

It is an amenable number.

40763397 is a deficient number, since it is larger than the sum of its proper divisors (13587803).

40763397 is a wasteful number, since it uses less digits than its factorization.

40763397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13587802.

The product of its (nonzero) digits is 95256, while the sum is 39.

The square root of 40763397 is about 6384.6219151959. The cubic root of 40763397 is about 344.1571443786.

The spelling of 40763397 in words is "forty million, seven hundred sixty-three thousand, three hundred ninety-seven".