35720545 has 16 divisors (see below), whose sum is σ = 49109760. Its totient is φ = 24433344.

The previous prime is 35720537. The next prime is 35720549. The reversal of 35720545 is 54502753.

It is a cyclic number.

It is not a de Polignac number, because 35720545 - 2³ = 35720537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (35720549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16591 + ... + 18619.

It is an arithmetic number, because the mean of its divisors is an integer number (3069360).

Almost surely, 2^35720545 is an apocalyptic number.

35720545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

35720545 is a deficient number, since it is larger than the sum of its proper divisors (13389215).

35720545 is a wasteful number, since it uses less digits than its factorization.

35720545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 35720545 is about 5976.6667131437. Note that the first 3 decimals coincide. The cubic root of 35720545 is about 329.3361155724.

It can be divided in two parts, 357 and 20545, that added together give a palindrome (20902).

The spelling of 35720545 in words is "thirty-five million, seven hundred twenty thousand, five hundred forty-five".