73438097629 has 4 divisors (see below), whose sum is σ = 79087182076. Its totient is φ = 67789013184.

The previous prime is 73438097611. The next prime is 73438097651. The reversal of 73438097629 is 92679083437.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35694544900 + 37743552729 = 188930^2 + 194277^2 .

It is a cyclic number.

It is not a de Polignac number, because 73438097629 - 2¹¹ = 73438095581 is a prime.

It is a super-4 number, since 4×73438097629⁴ (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73438097669) 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, 2824542204 + ... + 2824542229.

It is an arithmetic number, because the mean of its divisors is an integer number (19771795519).

Almost surely, 2^73438097629 is an apocalyptic number.

It is an amenable number.

73438097629 is a deficient number, since it is larger than the sum of its proper divisors (5649084447).

73438097629 is a wasteful number, since it uses less digits than its factorization.

73438097629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5649084446.

The product of its (nonzero) digits is 13716864, while the sum is 58.

The spelling of 73438097629 in words is "seventy-three billion, four hundred thirty-eight million, ninety-seven thousand, six hundred twenty-nine".