740682202285978 has 8 divisors (see below), whose sum is σ = 1111024594157940. Its totient is φ = 370340670900000.

The previous prime is 740682202285973. The next prime is 740682202285979. The reversal of 740682202285978 is 879582202286047.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 737163062658009 + 3519139627969 = 27150747^2 + 1875937^2 .

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

It is a super-2 number, since 2×740682202285978² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (740682202285973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212965243 + ... + 216415246.

Almost surely, 2^{740682202285978} is an apocalyptic number.

740682202285978 is a deficient number, since it is larger than the sum of its proper divisors (370342391871962).

740682202285978 is a wasteful number, since it uses less digits than its factorization.

740682202285978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430242992.

The product of its (nonzero) digits is 433520640, while the sum is 70.

The spelling of 740682202285978 in words is "seven hundred forty trillion, six hundred eighty-two billion, two hundred two million, two hundred eighty-five thousand, nine hundred seventy-eight".