73354490397 has 6 divisors (see below), whose sum is σ = 105956486142. Its totient is φ = 48902993592.

The previous prime is 73354490393. The next prime is 73354490401. The reversal of 73354490397 is 79309445337.

73354490397 is a `hidden beast` number, since 7 + 3 + 3 + 544 + 9 + 0 + 3 + 97 = 666.

It is an interprime number because it is at equal distance from previous prime (73354490393) and next prime (73354490401).

It can be written as a sum of positive squares in only one way, i.e., 52888040676 + 20466449721 = 229974^2 + 143061^2 .

It is not a de Polignac number, because 73354490397 - 2² = 73354490393 is a prime.

It is a super-2 number, since 2×73354490397² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73354490393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4075249458 + ... + 4075249475.

It is an arithmetic number, because the mean of its divisors is an integer number (17659414357).

Almost surely, 2^73354490397 is an apocalyptic number.

It is an amenable number.

73354490397 is a deficient number, since it is larger than the sum of its proper divisors (32601995745).

73354490397 is a wasteful number, since it uses less digits than its factorization.

73354490397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8150498939 (or 8150498936 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 54.

The spelling of 73354490397 in words is "seventy-three billion, three hundred fifty-four million, four hundred ninety thousand, three hundred ninety-seven".