70473407 has 2 divisors, whose sum is σ = 70473408. Its totient is φ = 70473406.

The previous prime is 70473373. The next prime is 70473409. The reversal of 70473407 is 70437407.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (70437407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70473407 - 2⁶ = 70473343 is a prime.

It is a super-4 number, since 4×70473407⁴ (a number of 32 digits) contains 4444 as substring.

Together with 70473409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70473409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35236703 + 35236704.

It is an arithmetic number, because the mean of its divisors is an integer number (35236704).

Almost surely, 2^70473407 is an apocalyptic number.

70473407 is a deficient number, since it is larger than the sum of its proper divisors (1).

70473407 is an equidigital number, since it uses as much as digits as its factorization.

70473407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 70473407 is about 8394.8440724054. The cubic root of 70473407 is about 413.0555125915.

The spelling of 70473407 in words is "seventy million, four hundred seventy-three thousand, four hundred seven".