74029045 has 8 divisors (see below), whose sum is σ = 91236024. Its totient is φ = 57622464.

The previous prime is 74028989. The next prime is 74029057. The reversal of 74029045 is 54092047.

It can be written as a sum of positive squares in 4 ways, for example, as 37920964 + 36108081 = 6158^2 + 6009^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 74029045 - 2⁷ = 74028917 is a prime.

It is a super-2 number, since 2×74029045² = 10960599007224050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74028998 and 74029016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199894 + ... + 200263.

It is an arithmetic number, because the mean of its divisors is an integer number (11404503).

Almost surely, 2^74029045 is an apocalyptic number.

It is an amenable number.

74029045 is a deficient number, since it is larger than the sum of its proper divisors (17206979).

74029045 is a wasteful number, since it uses less digits than its factorization.

74029045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400199.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 74029045 is about 8604.0133077535. The cubic root of 74029045 is about 419.8885664312. Note that the first 3 decimals are identical.

The spelling of 74029045 in words is "seventy-four million, twenty-nine thousand, forty-five".