740437671938 has 8 divisors (see below), whose sum is σ = 1112115979980. Its totient is φ = 369732345280.

The previous prime is 740437671937. The next prime is 740437671977. The reversal of 740437671938 is 839176734047.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 686417221009 + 54020450929 = 828503^2 + 232423^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (740437671937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243243443 + ... + 243246486.

Almost surely, 2^740437671938 is an apocalyptic number.

740437671938 is a deficient number, since it is larger than the sum of its proper divisors (371678308042).

740437671938 is a wasteful number, since it uses less digits than its factorization.

740437671938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486490692.

The product of its (nonzero) digits is 21337344, while the sum is 59.

The spelling of 740437671938 in words is "seven hundred forty billion, four hundred thirty-seven million, six hundred seventy-one thousand, nine hundred thirty-eight".