29746945 has 8 divisors (see below), whose sum is σ = 35727336. Its totient is φ = 23776896.

The previous prime is 29746943. The next prime is 29746987. The reversal of 29746945 is 54964792.

It can be written as a sum of positive squares in 4 ways, for example, as 1263376 + 28483569 = 1124^2 + 5337^2 .

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 29746945 - 2¹ = 29746943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29746895 and 29746904.

It is not an unprimeable number, because it can be changed into a prime (29746943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6949 + ... + 10381.

It is an arithmetic number, because the mean of its divisors is an integer number (4465917).

Almost surely, 2^29746945 is an apocalyptic number.

It is an amenable number.

29746945 is a deficient number, since it is larger than the sum of its proper divisors (5980391).

29746945 is a wasteful number, since it uses less digits than its factorization.

29746945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5171.

The product of its digits is 544320, while the sum is 46.

The square root of 29746945 is about 5454.0759987371. The cubic root of 29746945 is about 309.8471150396.

The spelling of 29746945 in words is "twenty-nine million, seven hundred forty-six thousand, nine hundred forty-five".