70452029 has 4 divisors (see below), whose sum is σ = 74596284. Its totient is φ = 66307776.

The previous prime is 70452007. The next prime is 70452043. The reversal of 70452029 is 92025407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92025407 = 3889 ⋅23663.

It can be written as a sum of positive squares in 2 ways, for example, as 26759929 + 43692100 = 5173^2 + 6610^2 .

It is a cyclic number.

It is not a de Polignac number, because 70452029 - 2¹² = 70447933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70451992 and 70452010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70452089) 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, 2072102 + ... + 2072135.

It is an arithmetic number, because the mean of its divisors is an integer number (18649071).

Almost surely, 2^70452029 is an apocalyptic number.

It is an amenable number.

70452029 is a deficient number, since it is larger than the sum of its proper divisors (4144255).

70452029 is a wasteful number, since it uses less digits than its factorization.

70452029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4144254.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 70452029 is about 8393.5706942874. The cubic root of 70452029 is about 413.0137417820.

The spelling of 70452029 in words is "seventy million, four hundred fifty-two thousand, twenty-nine".